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solid var(--line)}.settings-row:last-child{border:0}.settings-row b{font-size:10px;display:block}.settings-row small{font-size:8px;color:var(--muted);display:block;margin-top:3px}.settings-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:13px}.privacy-warning{background:rgba(245,158,11,.08);border:1px solid rgba(245,158,11,.16);color:#e8c47e;border-radius:10px;padding:11px 12px;font-size:9px;line-height:1.6;margin-top:13px}.modal-backdrop{position:fixed;inset:0;z-index:50;background:rgba(3,8,17,.7);backdrop-filter:blur(8px);display:grid;place-items:center;padding:18px}.modal{width:min(510px,100%);max-height:min(90vh,780px);overflow:auto;border:1px solid var(--line-strong);border-radius:18px;background:linear-gradient(145deg,#19263b,#111c2e);box-shadow:var(--shadow);animation:modalIn .18s ease}.modal.wide{width:min(650px,100%)}@keyframes modalIn{from{opacity:0;transform:translateY(8px) scale(.99)}to{opacity:1;transform:translateY(0) scale(1)}}.modal-head{display:flex;align-items:center;justify-content:space-between;padding:16px 19px;border-bottom:1px solid var(--line)}.modal-head h2{font-size:13px;margin:0}.modal-body{padding:18px 19px}.modal-actions{display:flex;justify-content:flex-end;gap:8px;padding:0 19px 18px}.toast-region{position:fixed;right:20px;bottom:20px;z-index:80;display:grid;gap:8px}.toast{border:1px solid var(--line-strong);border-radius:10px;background:#1c2a40;color:#dce7f4;box-shadow:var(--shadow);padding:10px 14px;font-size:10px;animation:toastIn .2s ease}.toast.success{border-color:rgba(55,211,154,.25)}.toast.error{border-color:rgba(255,113,129,.3)}@keyframes toastIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.lock-screen{position:fixed;inset:0;z-index:100;background:radial-gradient(ellipse at 50% 15%,rgba(139,92,246,.2),transparent 50%),#0b1120;display:grid;place-items:center;padding:20px}.lock-screen.hidden{display:none}.lock-card{width:min(360px,100%);text-align:center;background:rgba(21,32,51,.95);border:1px solid var(--line-strong);border-radius:20px;padding:25px;box-shadow:var(--shadow)}.lock-card .brand-mark{margin:0 auto 15px}.lock-card h2{font-size:17px;margin:0 0 5px}.lock-card p{font-size:10px;color:var(--muted);margin:0 0 17px}.lock-card .field{width:100%;text-align:center;margin-bottom:9px}.lock-error{color:#ff8e9b;font-size:9px;min-height:15px}.skeleton{background:linear-gradient(90deg,rgba(148,163,184,.05),rgba(148,163,184,.1),rgba(148,163,184,.05));background-size:200% 100%;animation:shimmer 1.5s infinite}@keyframes shimmer{to{background-position:-200% 0}}.light-theme{color-scheme:light;--bg:#f3f5fb;--sidebar:#fff;--card:#fff;--card-2:#fff;--card-soft:#fff;--line:rgba(71,85,105,.13);--line-strong:rgba(71,85,105,.22);--text:#172033;--muted:#64748b;--faint:#8b98aa;--shadow:0 22px 60px rgba(32,47,73,.12);background:radial-gradient(ellipse at 62% -8%,rgba(139,92,246,.1),transparent 40%),var(--bg)}.light-theme .sidebar{background:rgba(255,255,255,.96)}.light-theme .main-column{color:var(--text)}.light-theme .topbar{background:rgba(248,250,255,.8)}.light-theme .stat-card,.light-theme .panel,.light-theme .content-card,.light-theme .subject-card,.light-theme .note-card,.light-theme .goal-card,.light-theme .achievement-card{background:#fff}.light-theme .welcome-card{background:radial-gradient(ellipse at 93% 0%,rgba(105,87,208,.12),transparent 46%),linear-gradient(110deg,#fff,#f1f3ff)}.light-theme .welcome-card h2,.light-theme .panel-title,.light-theme .subject-card h3,.light-theme .note-card h3{color:#172033}.light-theme .timer-ring-inner{background:#fff}.light-theme .field,.light-theme .select-field,.light-theme .search-field,.light-theme .form-group textarea{background:#fff;color:#172033}.light-theme .modal{background:#fff}.light-theme .data-table td{color:#293549}.light-theme .toolbar{background:rgba(255,255,255,.8)}.light-theme .settings-card{background:#fff}.hidden{display:none!important}
@media(max-width:1120px){.sidebar{width:225px}.main-column{margin-left:225px}.page-view{padding:26px}.topbar{padding:0 26px}.app-footer{padding:13px 26px}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.section-grid,.note-grid,.achievement-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.sidebar{transform:translateX(-100%);transition:transform .22s ease;width:260px;box-shadow:var(--shadow)}.sidebar.open{transform:translateX(0)}.main-column{margin-left:0}.topbar{height:59px;padding:0 16px}.menu-toggle{display:grid}.topbar-left,.topbar-actions{gap:8px}.breadcrumb{font-size:10px}.local-indicator{font-size:0;padding:7px}.local-indicator i{width:7px;height:7px}.page-view{padding:22px 15px 28px}.app-footer{padding:12px 16px;gap:10px;font-size:8px}.page-heading{align-items:flex-start;flex-direction:column;margin-bottom:17px}.page-heading h1{font-size:22px}.heading-actions{width:100%}.heading-actions .btn{flex:1}.grid-2,.grid-2.equal,.timer-layout{grid-template-columns:1fr}.stats-grid{gap:9px}.stat-card{min-height:106px;padding:13px}.stat-value{font-size:22px}.section-grid,.note-grid,.achievement-grid{grid-template-columns:1fr}.settings-layout{grid-template-columns:1fr}.settings-nav{display:flex;overflow:auto;gap:3px}.settings-nav button{white-space:nowrap;width:auto}.calendar-day{min-height:46px}.welcome-card{padding:18px}.welcome-card .date-pill{font-size:8px}.form-grid{grid-template-columns:1fr}.form-group.full{grid-column:auto}}
@media(max-width:420px){.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.stat-top{font-size:9px}.stat-icon{width:25px;height:25px}.stat-foot{font-size:8px}.welcome-card{align-items:flex-start;flex-direction:column}.welcome-card .date-pill{display:none}.app-footer>span:first-child{max-width:55%}}
.dashboard-stats{grid-template-columns:repeat(3,minmax(0,1fr))}
@media(max-width:760px){.dashboard-stats{grid-template-columns:repeat(2,minmax(0,1fr))}}
:root{--bg:#080d19;--sidebar:#0c1423;--card:#111d30;--card-2:#16243a;--card-soft:rgba(20,34,55,.82);--line:rgba(149,169,198,.12);--line-strong:rgba(149,169,198,.22);--text:#f5f7fc;--muted:#9aa9bd;--faint:#6e7d93;--primary:#9b7bff;--primary-2:#7356e9;--blue:#55b4e9;--green:#45d3a3;--yellow:#f6c46f;--red:#ff7f8f;--radius:18px;--shadow:0 24px 60px rgba(0,0,0,.28)}
body{background:radial-gradient(ellipse at 78% 0%,rgba(71,88,188,.12),transparent 31%),radial-gradient(ellipse at 20% 65%,rgba(74,51,134,.07),transparent 38%),var(--bg);font-size:14px;letter-spacing:.005em}
body:before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background-image:linear-gradient(rgba(153,173,202,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(153,173,202,.025) 1px,transparent 1px);background-size:54px 54px;mask-image:linear-gradient(to bottom,black,transparent 70%)}
.sidebar{width:260px;padding:27px 17px 17px;background:linear-gradient(180deg,rgba(13,22,38,.98),rgba(10,18,32,.99));border-right-color:rgba(149,169,198,.11)}
.brand{gap:13px;margin:0 8px 42px}.brand-mark{width:42px;height:42px;border-radius:14px;background:linear-gradient(145deg,#b29aff,#7659ef);box-shadow:0 8px 28px rgba(121,89,237,.4),inset 0 1px 0 rgba(255,255,255,.3)}.brand-copy strong{font-size:18px;letter-spacing:-.7px}.brand-copy small{font-size:8px;letter-spacing:1.45px;color:#8998ae}
.sidebar-label{font-size:9px;letter-spacing:1.6px;color:#8291a8;padding-left:13px;margin-bottom:12px}
.nav-list{gap:5px}.nav-item{min-height:42px;padding:10px 12px;border-radius:12px;font-size:12.5px;font-weight:560;color:#aebacd;gap:13px;position:relative}.nav-item:hover{background:rgba(151,169,196,.08);color:#fff}.nav-item.active{background:linear-gradient(100deg,rgba(143,111,255,.2),rgba(87,129,223,.08));color:#e0d8ff;box-shadow:inset 2px 0 #a58aff,inset 0 0 0 1px rgba(163,138,255,.07)}.nav-item.active:after{content:"";position:absolute;width:5px;height:5px;border-radius:50%;background:#b49cff;right:13px;box-shadow:0 0 12px #9b7bff}.nav-icon{width:19px;height:19px;font-size:16px;color:#8494ab}.nav-icon svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round}.nav-item.active .nav-icon{color:#baa9ff}.sidebar-bottom>.nav-item{margin-bottom:14px}
.privacy-mini{padding:12px;border-color:rgba(149,169,198,.1);background:linear-gradient(125deg,rgba(19,38,51,.8),rgba(17,29,48,.7));border-radius:13px}.privacy-mini b{font-size:10.5px}.privacy-mini small{font-size:9.5px;color:#98a7bc}.profile-chip{padding:15px 4px 1px}.avatar,.top-avatar{width:35px;height:35px;border-radius:12px;background:linear-gradient(140deg,#ffa78b,#a778ff 72%);box-shadow:0 4px 14px rgba(163,120,255,.16)}.profile-meta b{font-size:11.5px}.profile-meta small{font-size:9.5px}
.main-column{margin-left:260px}.topbar{height:72px;padding:0 42px;background:rgba(8,13,25,.75);border-bottom-color:rgba(149,169,198,.1)}.breadcrumb{font-size:11.5px;color:#94a3b7}.breadcrumb b{color:#e3e9f3}.topbar-actions{gap:12px}.local-indicator{padding:7px 11px;color:#b3c0d2;font-size:10.5px;background:rgba(32,51,69,.33);border-color:rgba(149,169,198,.12)}.icon-btn{width:36px;height:36px;border-radius:11px}.icon-btn svg{height:17px;width:17px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.page-view{width:min(1460px,100%);padding:34px 42px 44px}.app-footer{padding:14px 42px 19px;border-color:rgba(149,169,198,.1);font-size:9.5px;color:#8090a6}
.page-heading{margin-bottom:25px}.page-heading h1{font-size:28px;letter-spacing:-1px;font-weight:760}.page-heading p{font-size:12px;color:#9aa9bd;margin-top:8px}.eyebrow{font-size:9px;letter-spacing:1.55px;color:#b39eff;margin-bottom:8px}.heading-actions .btn{min-height:39px}.btn{min-height:36px;padding:9px 14px;border-radius:11px;font-size:11.5px}.btn-primary{box-shadow:0 8px 22px rgba(121,89,237,.25),inset 0 1px 0 rgba(255,255,255,.13)}.btn-primary:hover{box-shadow:0 10px 28px rgba(121,89,237,.35),inset 0 1px 0 rgba(255,255,255,.17)}
.welcome-card{min-height:235px;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(230px,.85fr);align-items:center;gap:12px;padding:30px 34px;margin-bottom:18px;border-radius:23px;border-color:rgba(163,141,255,.18);background:radial-gradient(ellipse at 82% 44%,rgba(116,89,234,.22),transparent 38%),radial-gradient(ellipse at 17% 100%,rgba(36,151,192,.1),transparent 35%),linear-gradient(118deg,#18243b 0%,#18213a 56%,#1c2042 100%);box-shadow:0 18px 46px rgba(0,0,0,.17),inset 0 1px 0 rgba(255,255,255,.045)}.welcome-card:before{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 40%,rgba(255,255,255,.018) 41%,transparent 42%);pointer-events:none}.welcome-orb{display:none}.welcome-copy{position:relative;z-index:1;max-width:600px}.welcome-copy .eyebrow{display:flex;align-items:center;gap:7px;color:#b6a5ff}.eyebrow-spark{font-size:12px;color:#75d5ec}.welcome-card h2{font-size:30px;font-weight:760;letter-spacing:-1.2px;line-height:1.2;margin:0 0 9px}.welcome-card p{max-width:480px;margin:0;color:#aab7cb;font-size:12.5px;line-height:1.7}.welcome-actions{display:flex;align-items:center;gap:17px;margin-top:19px}.welcome-actions .btn{padding:10px 15px}.hero-link{display:inline-flex;gap:8px;align-items:center;border:0;background:none;color:#c7d0df;font-size:11px;font-weight:600;cursor:pointer;padding:8px 0}.hero-link:hover{color:#fff}.hero-play{width:23px;height:23px;display:grid;place-items:center;border:1px solid rgba(180,156,255,.28);border-radius:8px;color:#b6a5ff;font-size:8px;background:rgba(139,92,246,.12)}.date-pill{position:absolute;right:24px;top:20px;z-index:2;display:flex;align-items:center;gap:7px;padding:7px 10px;border-color:rgba(202,213,232,.13);background:rgba(9,16,30,.28);font-size:9.5px;color:#c2cce0}.date-pill span{color:#b59dff}.welcome-art{min-height:175px;position:relative;display:grid;place-items:center}.hero-study-card{position:relative;z-index:1;width:min(280px,90%);padding:14px 15px 12px;border-radius:16px;border:1px solid rgba(199,212,240,.2);background:linear-gradient(145deg,rgba(35,49,78,.9),rgba(23,32,56,.91));box-shadow:0 18px 38px rgba(0,0,0,.28),inset 0 1px 0 rgba(255,255,255,.1);transform:rotate(-4deg);animation:studyFloat 6s ease-in-out infinite}.hero-study-head{display:flex;align-items:center;gap:8px;color:#98a8c0;font-size:8px;letter-spacing:.7px}.hero-book-icon{width:29px;height:29px;border-radius:9px;background:linear-gradient(145deg,#8d73f8,#5e75e7);display:grid;place-items:center;color:#fff}.hero-book-icon svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}.hero-study-head i{margin-left:auto;width:6px;height:6px;border-radius:50%;background:#55d5a9;box-shadow:0 0 9px rgba(85,213,169,.7)}.hero-progress-lines{display:grid;gap:6px;padding:15px 4px 13px}.hero-progress-lines b,.hero-progress-lines i{height:5px;border-radius:9px;background:linear-gradient(90deg,#a28aff 0 66%,rgba(149,169,198,.17) 66%);}.hero-progress-lines i:first-of-type{width:78%;background:linear-gradient(90deg,#57c6df 0 48%,rgba(149,169,198,.14) 48%)}.hero-progress-lines i:last-of-type{width:88%;background:linear-gradient(90deg,#7d8cf1 0 78%,rgba(149,169,198,.14) 78%)}.hero-study-foot{display:flex;align-items:center;gap:8px;border-top:1px solid rgba(149,169,198,.12);padding-top:10px}.hero-check{width:24px;height:24px;border-radius:8px;background:rgba(65,212,159,.12);display:grid;place-items:center;color:#60dfb1;font-size:12px}.hero-study-foot span:last-child{display:grid;gap:2px}.hero-study-foot b{font-size:9px;color:#e3e8f1}.hero-study-foot small{font-size:8px;color:#8b9ab0}.art-orbit{position:absolute;border:1px solid rgba(172,152,255,.1);border-radius:50%;width:187px;height:187px}.art-orbit-one{box-shadow:0 0 0 18px rgba(172,152,255,.025)}.art-orbit-two{width:238px;height:238px;border-color:rgba(107,202,225,.07)}.hero-spark{position:absolute;color:#bdabff;text-shadow:0 0 14px rgba(182,154,255,.8);z-index:2}.hero-spark-one{font-size:19px;top:16px;right:24%}.hero-spark-two{font-size:13px;bottom:18px;left:20%}.hero-orbit-dot{position:absolute;right:16%;bottom:22%;width:7px;height:7px;background:#66d2e7;border-radius:50%;box-shadow:0 0 16px #66d2e7}
.stats-grid{gap:14px;margin-bottom:17px}.stat-card{min-height:124px;padding:17px 18px;border-radius:17px;background:linear-gradient(145deg,rgba(19,31,51,.98),rgba(14,25,42,.98));border-color:rgba(149,169,198,.12);box-shadow:0 9px 25px rgba(0,0,0,.09),inset 0 1px 0 rgba(255,255,255,.02);transition:transform .22s,border-color .22s,box-shadow .22s}.stat-card:hover{transform:translateY(-3px);border-color:rgba(161,140,255,.24);box-shadow:0 15px 32px rgba(0,0,0,.16)}.stat-card:after{width:130px;height:130px;right:-55px;top:-68px}.stat-top{font-size:10.5px;color:#aab7ca}.stat-icon{width:31px;height:31px;border-radius:10px;font-size:15px;background:rgba(155,123,255,.16);color:#c0adff}.stat-value{font-size:28px;letter-spacing:-1px;margin-top:12px}.stat-foot{font-size:10px;margin-top:7px;color:#8d9cb2}.grid-2{gap:16px;margin-bottom:16px}.panel,.content-card{padding:20px 21px;border-radius:19px;background:linear-gradient(145deg,rgba(18,30,50,.98),rgba(14,25,42,.99));border-color:rgba(149,169,198,.12);box-shadow:0 11px 30px rgba(0,0,0,.08),inset 0 1px 0 rgba(255,255,255,.018)}.panel-head{margin-bottom:18px}.panel-title{font-size:13px;letter-spacing:-.2px}.panel-subtitle{font-size:10px;margin-top:5px;color:#9aa9bd}.panel-action{font-size:10.5px;color:#b8a7ff}.chart-box{height:205px}.chart-legend{font-size:10px;margin-top:10px}.legend-dot{width:7px;height:7px}.activity-row,.task-row{gap:12px}.activity-marker{width:31px;height:31px;border-radius:10px;font-size:13px}.activity-text b,.task-info b,.subject-info b,.record-info b{font-size:11.5px}.activity-text small,.task-info small,.subject-info small,.record-info small{font-size:10px}.activity-time{font-size:9px}.task-row{padding:10px 0}.check-control{width:18px;height:18px;border-radius:6px}.priority{font-size:8.5px;padding:4px 7px}.empty-state{padding:26px 15px;font-size:10.5px;border-radius:15px}.empty-state b{font-size:11px}.empty-state p{font-size:10px;line-height:1.55}.empty-icon{width:41px;height:41px;border-radius:14px}
.subject-card,.goal-card,.note-card,.achievement-card{border-radius:17px;border-color:rgba(149,169,198,.13);box-shadow:0 10px 26px rgba(0,0,0,.08);transition:transform .2s,border-color .2s,box-shadow .2s}.subject-card:hover,.goal-card:hover,.note-card:hover,.achievement-card:not(.locked):hover{transform:translateY(-2px);border-color:rgba(161,140,255,.25);box-shadow:0 16px 32px rgba(0,0,0,.14)}.subject-card{padding:18px}.subject-card h3{font-size:15px;margin:14px 0 5px}.subject-card p{font-size:10.5px;line-height:1.55}.subject-color{width:40px;height:40px;border-radius:13px}.subject-metrics{font-size:10px;margin-top:15px}.progress-track{height:6px;background:rgba(149,169,198,.14)}.toolbar{gap:9px;padding:12px;border-color:rgba(149,169,198,.12);background:rgba(16,28,46,.68);border-radius:14px;margin-bottom:16px}.field,.select-field,.search-field,.form-group textarea{min-height:38px;border-radius:10px;padding:9px 11px;font-size:11px}.search-field{min-width:220px}.data-table th{font-size:9px;padding:13px 14px}.data-table td{font-size:11px;padding:14px}.score-badge{font-size:10px;padding:5px 8px}.text-action{font-size:10px}.calendar-day{min-height:64px;border-radius:10px;padding:7px;font-size:10px}.calendar-label{font-size:9px}.calendar-title{font-size:13px}.timer-panel{min-height:390px}.timer-ring{width:220px;height:220px}.timer-time{font-size:46px}.timer-caption{font-size:10px}.mini-stat{padding:14px 15px;border-radius:13px}.mini-stat span{font-size:10px}.goal-card{padding:18px}.goal-card h3{font-size:13px}.goal-card p{font-size:10px}.goal-numbers{font-size:10px}.note-card{min-height:185px;padding:17px}.note-card h3{font-size:13px}.note-card p{font-size:10px;line-height:1.65}.note-card-foot{font-size:9px}.note-subject{font-size:9px}.achievement-card{padding:18px}.achievement-card h3{font-size:12px}.achievement-card p{font-size:9.5px}.unlocked-pill{font-size:8px}.settings-card{padding:21px}.settings-card h2{font-size:14px}.settings-card>p{font-size:10px}.settings-row b{font-size:11px}.settings-row small{font-size:9.5px}.privacy-warning{font-size:10px}.form-group label{font-size:10px}.help-text{font-size:9px}.modal{border-radius:20px}.modal-head{padding:18px 20px}.modal-head h2{font-size:15px}.modal-body{padding:20px}.modal-actions{padding:0 20px 20px}.toast{padding:11px 15px;font-size:11px}
.light-theme{--bg:#f5f7fc;--sidebar:#fff;--text:#172238;--muted:#63738b;--line:rgba(66,83,111,.13);--line-strong:rgba(66,83,111,.22);background:radial-gradient(ellipse at 80% 0%,rgba(129,110,238,.1),transparent 33%),radial-gradient(ellipse at 16% 72%,rgba(64,177,206,.07),transparent 38%),var(--bg)}.light-theme body:before{opacity:.45}.light-theme .sidebar{background:rgba(255,255,255,.96)}.light-theme .nav-item{color:#52617a}.light-theme .nav-item:hover{background:#f2f4fa;color:#18243a}.light-theme .nav-item.active{background:linear-gradient(100deg,rgba(139,92,246,.12),rgba(59,130,246,.05));color:#5d44b5}.light-theme .nav-item.active:after{background:#8768ed}.light-theme .topbar{background:rgba(248,250,255,.82)}.light-theme .welcome-card{background:radial-gradient(ellipse at 83% 45%,rgba(135,116,240,.14),transparent 38%),linear-gradient(120deg,#fff,#f2f2ff);border-color:rgba(120,97,203,.16);box-shadow:0 14px 36px rgba(42,55,88,.09)}.light-theme .welcome-card h2{color:#18243a}.light-theme .welcome-card p{color:#64738b}.light-theme .date-pill{color:#55647b;background:rgba(255,255,255,.65);border-color:rgba(66,83,111,.13)}.light-theme .hero-study-card{background:linear-gradient(145deg,rgba(255,255,255,.97),rgba(242,244,252,.96));border-color:rgba(66,83,111,.15);box-shadow:0 16px 32px rgba(55,70,110,.14)}.light-theme .hero-study-foot b{color:#25344d}.light-theme .stat-card,.light-theme .panel,.light-theme .content-card,.light-theme .subject-card,.light-theme .note-card,.light-theme .goal-card,.light-theme .achievement-card{background:linear-gradient(145deg,#fff,#fbfcff);border-color:rgba(66,83,111,.12);box-shadow:0 10px 28px rgba(48,66,99,.055)}.light-theme .stat-top,.light-theme .stat-foot,.light-theme .panel-subtitle{color:#718098}.light-theme .panel-title,.light-theme .subject-card h3,.light-theme .note-card h3,.light-theme .goal-card h3,.light-theme .settings-card h2{color:#1c2940}.light-theme .toolbar{background:rgba(255,255,255,.8)}.light-theme .field,.light-theme .select-field,.light-theme .search-field,.light-theme .form-group textarea{background:#fff;color:#172033}.light-theme .settings-nav{background:#fff}.light-theme .modal{background:#fff}.light-theme .timer-ring-inner{background:#fff}.light-theme .data-table td{color:#293549}.light-theme .activity-text b,.light-theme .task-info b{color:#23324a}.light-theme .profile-meta b{color:#25344d}.light-theme .local-indicator{background:rgba(255,255,255,.75);color:#58677f}
@media(max-width:1120px){.sidebar{width:238px}.main-column{margin-left:238px}.page-view{padding:28px 27px 36px}.topbar{padding:0 27px}.app-footer{padding-left:27px;padding-right:27px}.welcome-card{grid-template-columns:minmax(0,1fr) minmax(190px,.7fr);padding:27px}.welcome-card h2{font-size:27px}.welcome-art{min-height:160px}.hero-study-card{width:min(255px,95%)}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.dashboard-stats{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:760px){.sidebar{width:275px}.main-column{margin-left:0}.topbar{height:62px;padding:0 17px}.page-view{padding:22px 16px 30px}.app-footer{padding:12px 17px 16px}.page-heading h1{font-size:24px}.page-heading p{font-size:11px}.welcome-card{grid-template-columns:1fr;min-height:auto;padding:25px 20px 21px}.welcome-card h2{font-size:25px;max-width:80%}.welcome-card p{font-size:11px;max-width:440px;padding-right:15px}.welcome-art{display:none}.date-pill{top:15px;right:14px;font-size:8px;max-width:42%;white-space:nowrap}.welcome-copy .eyebrow{font-size:8px}.welcome-actions{gap:12px;flex-wrap:wrap;margin-top:16px}.welcome-actions .btn{min-height:38px}.hero-link{font-size:10px}.stats-grid{gap:10px}.dashboard-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.stat-card{min-height:112px;padding:14px}.stat-value{font-size:24px}.grid-2,.grid-2.equal,.timer-layout{grid-template-columns:1fr;gap:12px}.panel{padding:16px}.chart-box{height:185px}.section-grid,.note-grid,.achievement-grid{grid-template-columns:1fr}.calendar-day{min-height:50px;padding:5px}.toolbar{padding:9px}.search-field{min-width:150px;flex:1}.settings-layout{grid-template-columns:1fr}.settings-nav{display:flex;overflow:auto;gap:4px}.settings-nav button{white-space:nowrap;width:auto}.form-grid{grid-template-columns:1fr}.form-group.full{grid-column:auto}.modal-backdrop{padding:10px}.modal{max-height:94vh}.app-footer{font-size:8px}}
@media(max-width:420px){.welcome-card{padding:23px 16px 18px}.welcome-card h2{font-size:22px;max-width:100%;padding-top:5px}.welcome-card p{padding-right:0;max-width:100%;font-size:10px}.date-pill{position:static;justify-self:start;margin-top:14px}.welcome-actions{gap:8px}.hero-link{padding:6px 0}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.dashboard-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.stat-top{font-size:9px}.stat-icon{width:27px;height:27px}.stat-value{font-size:21px}.stat-foot{font-size:8.5px}.topbar-left,.topbar-actions{gap:6px}.breadcrumb{font-size:9px}.local-indicator{padding:6px}.app-footer>span:first-child{max-width:55%}}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid #aa93ff;outline-offset:2px}
@keyframes studyFloat{0%,100%{transform:translateY(0) rotate(-4deg)}50%{transform:translateY(-7px) rotate(-2deg)}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}

/* Bright, friendly account and classroom experience */
body.light-theme{--bg:#f4f7ff;--sidebar:#fff;--card:#fff;--card-2:#fff;--text:#1b2742;--muted:#63718d;--faint:#8995aa;--line:rgba(69,86,124,.12);--line-strong:rgba(69,86,124,.2);--primary:#7259e8;--primary-2:#5f4bc6;--blue:#39a7db;--green:#20aa81;--yellow:#e4a838;--shadow:0 20px 55px rgba(56,72,119,.1);background:radial-gradient(ellipse at 88% 0%,rgba(121,103,241,.11),transparent 32%),radial-gradient(ellipse at 12% 75%,rgba(68,187,220,.07),transparent 32%),#f4f7ff;color:var(--text)}
.light-theme .sidebar{background:rgba(255,255,255,.94);border-right-color:rgba(76,91,128,.1);box-shadow:8px 0 32px rgba(40,56,100,.035)}
.light-theme .brand-copy strong,.light-theme .profile-meta b{color:#1b2742}.light-theme .nav-item{color:#5d6a84}.light-theme .nav-item.active{color:#5741bc;background:linear-gradient(100deg,rgba(121,99,237,.14),rgba(70,175,218,.055));box-shadow:inset 3px 0 #7c67ed,inset 0 0 0 1px rgba(124,103,237,.07)}.light-theme .nav-item.active .nav-icon{color:#735be2}.light-theme .nav-item:hover{color:#1b2742;background:#f4f6fc}.light-theme .privacy-mini{background:linear-gradient(120deg,#f3f7ff,#f1f5ff);border-color:rgba(74,91,137,.1)}.light-theme .topbar{background:rgba(249,250,255,.84);border-bottom-color:rgba(68,84,124,.1)}.light-theme .local-indicator{background:#f4f6fb;color:#56637c;border-color:rgba(69,86,124,.12)}.light-theme .welcome-card{background:radial-gradient(ellipse at 82% 40%,rgba(104,112,241,.13),transparent 35%),linear-gradient(112deg,#f0edff,#e7f7ff 70%,#edf6ff);border-color:rgba(105,91,202,.15);box-shadow:0 18px 42px rgba(81,91,161,.1)}.light-theme .welcome-card h2{color:#1e2945}.light-theme .welcome-card p{color:#5e6c87}.light-theme .welcome-actions .btn-primary{color:#fff}.light-theme .hero-link{color:#53617b}.light-theme .hero-link:hover{color:#513cb6}.light-theme .date-pill{background:rgba(255,255,255,.72);color:#5a6780;border-color:rgba(72,88,130,.12)}.light-theme .hero-study-card{background:linear-gradient(145deg,rgba(255,255,255,.96),rgba(246,248,255,.97));border-color:rgba(79,92,138,.14);box-shadow:0 17px 38px rgba(72,84,142,.15)}.light-theme .hero-study-foot b{color:#26344f}.light-theme .hero-study-head{color:#74819a}.light-theme .stat-card,.light-theme .panel,.light-theme .content-card,.light-theme .subject-card,.light-theme .note-card,.light-theme .goal-card,.light-theme .achievement-card,.light-theme .settings-nav{background:linear-gradient(145deg,#fff,#fcfdff);border-color:rgba(66,83,123,.1);box-shadow:0 10px 30px rgba(61,80,132,.055)}.light-theme .stat-card:hover,.light-theme .subject-card:hover,.light-theme .goal-card:hover,.light-theme .note-card:hover{box-shadow:0 16px 34px rgba(61,80,132,.1);border-color:rgba(121,99,237,.24)}.light-theme .stat-top,.light-theme .stat-foot,.light-theme .panel-subtitle{color:#73809a}.light-theme .panel-title,.light-theme .subject-card h3,.light-theme .note-card h3,.light-theme .goal-card h3,.light-theme .settings-card h2{color:#202d49}.light-theme .toolbar{background:rgba(255,255,255,.82);border-color:rgba(66,83,123,.1)}.light-theme .field,.light-theme .select-field,.light-theme .search-field,.light-theme .form-group textarea{background:#fff;color:#1e2a44;border-color:rgba(70,88,133,.18)}.light-theme .data-table th{background:#f7f8fc;color:#77839a}.light-theme .data-table td{color:#2b3853}.light-theme .data-table tr:hover td{background:rgba(116,97,220,.035)}.light-theme .calendar-day{color:#50617d;border-color:rgba(71,87,126,.1)}.light-theme .calendar-day.today{background:rgba(124,103,237,.1);color:#5d49c0}.light-theme .timer-ring-inner{background:#fff}.light-theme .timer-panel{background:radial-gradient(circle at 50% 40%,rgba(121,99,237,.09),transparent 48%),#fff}.light-theme .mini-stat{background:#f8faff}.light-theme .settings-card{background:#fff}.light-theme .settings-nav button{color:#65718a}.light-theme .settings-nav button.active{background:rgba(121,99,237,.11);color:#5945bd}.light-theme .modal{background:#fff}.light-theme .toast{background:#fff;color:#24334f}.light-theme .app-footer{border-color:rgba(66,83,123,.1);color:#7c88a0}.light-theme .lock-screen{background:radial-gradient(ellipse at 50% 15%,rgba(121,99,237,.13),transparent 50%),#f4f7ff}.light-theme .lock-card{background:#fff;color:#1b2742}
.sync-error{border-color:rgba(224,85,108,.35)!important;color:#c24d62!important}.sync-error i{background:#e45c73!important;box-shadow:0 0 10px rgba(228,92,115,.4)!important}
.avatar img,.top-avatar img{width:100%;height:100%;object-fit:cover;border-radius:inherit;display:block}.has-photo{overflow:hidden}.profile-photo-row{display:flex;align-items:center;gap:15px;padding:14px;background:linear-gradient(120deg,rgba(124,103,237,.06),rgba(61,169,211,.045));border:1px solid var(--line);border-radius:15px;margin:14px 0 17px}.profile-photo-preview{width:68px;height:68px;border-radius:22px;background:linear-gradient(145deg,#79c9eb,#9878ec);display:grid;place-items:center;color:white;font-size:22px;font-weight:750;box-shadow:0 8px 20px rgba(107,108,216,.2);overflow:hidden;flex:none}.profile-photo-preview img{width:100%;height:100%;object-fit:cover}.profile-photo-copy{min-width:0}.profile-photo-copy>b{display:block;font-size:11px}.profile-photo-copy small{display:block;color:var(--muted);font-size:9px;line-height:1.5;margin:4px 0 8px}.profile-photo-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.account-summary{display:flex;align-items:center;gap:11px;flex-wrap:wrap;margin-top:17px;padding-top:13px;border-top:1px solid var(--line);color:var(--muted);font-size:9px}.account-summary .text-action{margin-left:auto}.account-role{padding:5px 8px;border-radius:20px;background:rgba(75,154,220,.12);color:#468fc1;font-size:8px;font-weight:750;letter-spacing:.5px;text-transform:uppercase}.account-role.teacher{color:#7257d7;background:rgba(125,101,226,.13)}.about-feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:14px}.about-feature-grid article{display:grid;gap:7px;align-content:start;border:1px solid var(--line);background:rgba(120,140,180,.04);border-radius:13px;padding:14px}.about-feature-grid article>span{font-size:9px;color:#8c78ef;font-weight:750}.about-feature-grid b{font-size:10px}.about-feature-grid small{font-size:9px;color:var(--muted);line-height:1.55}
.auth-root{min-height:100vh;background:#f4f6fc;color:#1b2742}.auth-screen{min-height:100vh;display:grid;place-items:center;padding:32px;background:radial-gradient(ellipse at 88% 4%,rgba(129,111,239,.12),transparent 35%),radial-gradient(ellipse at 5% 86%,rgba(76,190,218,.11),transparent 30%),#f4f6fc}.auth-panel{width:min(1100px,100%);min-height:690px;display:grid;grid-template-columns:.9fr 1.1fr;background:#fff;border:1px solid rgba(66,83,123,.1);border-radius:28px;overflow:hidden;box-shadow:0 30px 90px rgba(48,65,116,.14);animation:authRise .55s cubic-bezier(.2,.8,.2,1) both}.auth-visual{position:relative;overflow:hidden;padding:31px 35px;color:#fff;background:linear-gradient(145deg,#6f61e7 0%,#8173ed 44%,#53bad9 125%)}.auth-visual:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(to bottom,black,transparent 80%);opacity:.32}.auth-visual:after{content:"";position:absolute;width:300px;height:300px;border-radius:50%;right:-110px;top:-125px;background:rgba(255,255,255,.1);box-shadow:0 0 0 25px rgba(255,255,255,.045),0 0 0 52px rgba(255,255,255,.025)}.auth-brand{position:relative;z-index:2;display:inline-flex;gap:10px;align-items:center;color:white;text-decoration:none;font-size:16px;font-weight:750;letter-spacing:-.4px}.auth-brand .brand-mark{background:rgba(255,255,255,.2);box-shadow:inset 0 1px 0 rgba(255,255,255,.24);width:38px;height:38px}.auth-visual-content{position:relative;z-index:1;margin-top:73px}.auth-kicker{display:inline-block;border:1px solid rgba(255,255,255,.25);border-radius:20px;padding:6px 9px;font-size:8px;font-weight:750;letter-spacing:1.4px;background:rgba(255,255,255,.11)}.auth-visual h1{font-size:36px;line-height:1.12;letter-spacing:-1.5px;margin:18px 0 12px;font-weight:780}.auth-visual h1 em{font-style:normal;color:#d5fbff}.auth-visual-content>p{max-width:330px;color:rgba(255,255,255,.83);font-size:11px;line-height:1.8;margin:0}.auth-art{height:215px;position:relative;display:grid;place-items:center;margin:12px 0 3px}.auth-art-orbit{position:absolute;border:1px solid rgba(255,255,255,.19);border-radius:50%;width:190px;height:190px}.auth-art-orbit.one{box-shadow:0 0 0 18px rgba(255,255,255,.035)}.auth-art-orbit.two{width:244px;height:244px;border-color:rgba(255,255,255,.12)}.auth-art-card{position:relative;z-index:1;width:235px;padding:15px;border:1px solid rgba(255,255,255,.36);border-radius:18px;background:linear-gradient(145deg,rgba(255,255,255,.24),rgba(255,255,255,.11));backdrop-filter:blur(14px);box-shadow:0 20px 40px rgba(47,45,133,.2);transform:rotate(-5deg);animation:studyFloat 6s ease-in-out infinite}.auth-art-icon{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;background:rgba(255,255,255,.2);font-size:18px}.auth-art-lines{display:grid;gap:7px;margin:14px 0}.auth-art-lines i{height:5px;border-radius:9px;background:linear-gradient(90deg,rgba(255,255,255,.9) 0 68%,rgba(255,255,255,.21) 68%)}.auth-art-lines i:nth-child(2){width:84%;background:linear-gradient(90deg,#a7f1ec 0 49%,rgba(255,255,255,.21) 49%)}.auth-art-lines i:nth-child(3){width:74%;background:linear-gradient(90deg,#ffe9a7 0 80%,rgba(255,255,255,.21) 80%)}.auth-art-foot{display:flex;align-items:center;gap:8px;border-top:1px solid rgba(255,255,255,.2);padding-top:11px;font-size:9px}.auth-art-foot span{width:23px;height:23px;display:grid;place-items:center;background:rgba(70,225,175,.25);border-radius:8px}.auth-art-star{position:absolute;right:18%;top:14%;font-size:24px;color:#e3fcff;text-shadow:0 0 15px rgba(255,255,255,.7);animation:sparkle 3s ease-in-out infinite}.auth-quote{position:relative;z-index:1;border-left:2px solid rgba(255,255,255,.6);padding-left:10px;font-size:9px;color:rgba(255,255,255,.8);font-style:italic}.auth-visual-footer{position:absolute;z-index:1;bottom:25px;left:35px;right:35px;display:flex;justify-content:space-between;gap:8px;color:rgba(255,255,255,.75);font-size:8px}.auth-form-panel{display:grid;place-items:center;padding:42px}.auth-form-inner{width:min(400px,100%)}.auth-welcome .eyebrow{color:#7a66df;font-size:8px}.auth-welcome h2{font-size:26px;letter-spacing:-.9px;color:#1d2944;margin:0 0 6px}.auth-welcome p{color:#78849a;font-size:10px;margin:0 0 20px}.auth-mobile-mark{display:none}.auth-role-picker{display:grid;grid-template-columns:1fr 1fr;gap:6px;border-radius:12px;background:#f2f4fa;padding:4px;margin-bottom:17px}.auth-role-picker button{display:flex;align-items:center;justify-content:center;gap:8px;min-height:38px;border:1px solid transparent;border-radius:9px;background:transparent;color:#6d7890;font-weight:650;font-size:10px;cursor:pointer;transition:.2s}.auth-role-picker button span{font-size:13px}.auth-role-picker button.active{color:#5945c0;background:#fff;border-color:rgba(107,89,205,.12);box-shadow:0 3px 9px rgba(56,68,112,.07)}.auth-form{display:grid;gap:12px}.auth-form .form-group{gap:6px}.auth-form .form-group label{font-size:9px;color:#43516c}.auth-form .field{height:42px;background:#fbfcff;border:1px solid #e2e6f0;color:#1d2944;font-size:10px;border-radius:11px;padding:10px 12px}.auth-form .field:focus{background:#fff;border-color:#9783ea;box-shadow:0 0 0 3px rgba(120,98,226,.11)}.auth-form .field::placeholder{color:#a3adbd}.auth-form .help-text{color:#8792a8;font-size:8px}.auth-error{display:none;padding:9px 11px;border-radius:9px;background:#fff0f2;color:#bd5364;font-size:9px;line-height:1.5}.auth-error.show{display:block}.auth-submit{width:100%;min-height:44px;justify-content:space-between;padding:0 15px;margin-top:2px;border-radius:11px;font-size:11px}.auth-submit span{font-size:16px;transition:transform .2s}.auth-submit:hover span{transform:translateX(3px)}.auth-submit.is-loading{opacity:.7;pointer-events:none}.auth-switch{text-align:center;color:#7c879b;font-size:9px;margin-top:16px}.auth-switch button,.auth-about-link{border:0;background:none;color:#6a55d0;font-weight:700;cursor:pointer;font-size:9px}.auth-switch button:hover,.auth-about-link:hover{text-decoration:underline}.auth-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px;border-top:1px solid #edf0f6;margin-top:24px;padding-top:13px}.auth-bottom>span{display:flex;align-items:center;gap:6px;color:#8a95a9;font-size:8px}.auth-bottom>span i{width:6px;height:6px;border-radius:50%;background:#2ab58c}.auth-security-note{font-size:8px;line-height:1.5;color:#9aa4b6;margin:11px 0 0}.auth-loading{min-height:100vh;display:grid;place-content:center;justify-items:center;gap:17px;background:#f4f6fc;color:#586781;font-size:12px}.loading-orbit{width:34px;height:34px;border:3px solid rgba(117,95,223,.18);border-top-color:#7861e4;border-radius:50%;animation:spin .8s linear infinite}.auth-loading .loading-orbit{width:44px;height:44px}.classroom-loading{min-height:180px;display:grid;place-content:center;justify-items:center;gap:12px;color:var(--muted);font-size:10px}.classroom-loading .loading-orbit{width:28px;height:28px}.classroom-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.class-card{position:relative;overflow:hidden;padding:19px;border:1px solid var(--line);border-radius:19px;background:linear-gradient(145deg,#fff,#f9faff);box-shadow:0 12px 30px rgba(48,70,122,.07);transition:transform .2s,box-shadow .2s,border-color .2s}.class-card:before{content:"";position:absolute;right:-35px;top:-55px;width:130px;height:130px;border-radius:50%;background:rgba(121,99,237,.08);box-shadow:0 0 0 15px rgba(121,99,237,.035)}.class-card:hover{transform:translateY(-4px);box-shadow:0 18px 37px rgba(48,70,122,.12);border-color:rgba(121,99,237,.25)}.class-card-top{display:flex;align-items:center;justify-content:space-between}.class-icon{width:40px;height:40px;border-radius:13px;background:linear-gradient(145deg,#8873ed,#59bed7);color:#fff;display:grid;place-items:center;font-size:17px;box-shadow:0 7px 16px rgba(104,105,221,.2)}.role-tag{border-radius:20px;padding:5px 8px;font-size:7px;font-weight:800;letter-spacing:.8px;background:#eef8ff;color:#3586b4}.role-tag.teacher{background:#f2efff;color:#7058cf}.class-card h2{font-size:15px;letter-spacing:-.4px;margin:15px 0 4px;color:#202d49}.class-card>p{font-size:9px;color:#77849b;margin:0 0 15px}.join-code-box{display:flex;align-items:center;gap:8px;padding:10px;background:#f4f5ff;border:1px dashed rgba(117,95,223,.25);border-radius:11px;margin-bottom:12px}.join-code-box>span{font-size:7px;color:#808ba1;letter-spacing:.7px}.join-code-box>b{font-size:14px;letter-spacing:2px;color:#634fc3}.join-code-box .btn{margin-left:auto}.class-card-foot{display:flex;justify-content:space-between;color:#78859c;font-size:9px;padding:12px 3px 13px}.class-open{width:100%;justify-content:space-between}.class-detail-head{margin-bottom:16px}.class-detail-title{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:15px;padding:20px 22px;border-radius:19px;background:linear-gradient(115deg,#efedff,#e9f8ff);border:1px solid rgba(105,91,202,.12)}.class-detail-title h2{font-size:22px;letter-spacing:-.8px;margin:0;color:#1e2c49}.class-detail-title p{font-size:10px;color:#718099;margin:6px 0 0}.detail-code{display:grid;grid-template-columns:auto auto;align-items:center;gap:4px 12px;background:#fff;border:1px solid rgba(102,86,187,.13);padding:10px 12px;border-radius:11px}.detail-code>span{grid-column:1/-1;font-size:7px;color:#8490a5;letter-spacing:.7px}.detail-code>b{font-size:16px;letter-spacing:2px;color:#624dc4}.assignments-panel{margin-bottom:15px}.assignment-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.assignment-card{padding:16px;border:1px solid var(--line);border-radius:15px;background:linear-gradient(145deg,#fff,#fafbff)}.assignment-head{display:flex;justify-content:space-between;gap:8px;align-items:center}.assignment-subject{font-size:7px;color:#684fca;letter-spacing:.8px;font-weight:800;background:#f1edff;border-radius:20px;padding:5px 7px}.assignment-due{font-size:8px;color:#79869c}.assignment-card h3{font-size:12px;color:#24314c;margin:12px 0 5px}.assignment-card>p{min-height:26px;font-size:9px;color:#758199;line-height:1.55;margin:0 0 12px}.assignment-score-meta,.submission-summary{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #edf0f6;padding:9px 0;color:#8490a5;font-size:8px}.assignment-score-meta b{color:#43516c;font-size:9px}.submission-summary{border:0;padding:3px 0 10px}.submission-summary span:first-child{color:#5d4ac0;font-weight:650}.submission-list{display:grid;gap:7px;border-top:1px solid #edf0f6;padding-top:9px}.submission-row,.member-row{display:flex;align-items:center;gap:9px;padding:7px 0}.member-avatar{width:30px;height:30px;border-radius:10px;background:linear-gradient(145deg,#8a76ed,#61bed8);color:#fff;display:grid;place-items:center;font-size:10px;font-weight:700;flex:none}.member-avatar.small{width:25px;height:25px;border-radius:8px;font-size:9px}.member-name{min-width:0;display:grid;gap:2px;flex:1}.member-name b{font-size:9px;color:#293650;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.member-name small{font-size:8px;color:#8590a4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.submission-score{font-size:8px;color:#5d4ac0;font-weight:700;white-space:nowrap}.student-submission-status{font-size:8px;display:flex;align-items:center;gap:6px;padding:8px 9px;border-radius:9px;margin:0 0 10px}.student-submission-status.pending{background:#fff8e9;color:#a77b28}.student-submission-status.submitted{background:#eaf9f3;color:#278d6b}.class-empty{text-align:center;padding:30px 12px;border:1px dashed var(--line-strong);border-radius:14px;color:var(--muted)}.class-empty>b{display:block;font-size:11px;color:var(--text);margin:4px 0}.class-empty>p{font-size:9px;margin:0 0 12px}.class-members{margin-top:14px}.member-list{display:grid}.member-row{border-bottom:1px solid var(--line)}.member-row:last-child{border:0}.member-date{font-size:8px;color:#8994a7}.inline-empty{padding:10px;text-align:center;color:var(--muted);font-size:9px}
#page-view>*{animation:pageRise .38s cubic-bezier(.2,.75,.25,1) both}#page-view>*:nth-child(2){animation-delay:.035s}#page-view>*:nth-child(3){animation-delay:.07s}#page-view>*:nth-child(4){animation-delay:.105s}.stat-card,.panel,.class-card,.assignment-card{transition:transform .22s,border-color .22s,box-shadow .22s}.nav-item,.btn,.icon-btn{transition:background .2s,color .2s,border-color .2s,transform .2s,box-shadow .2s}@keyframes pageRise{from{opacity:0;transform:translateY(9px)}to{opacity:1;transform:translateY(0)}}@keyframes authRise{from{opacity:0;transform:translateY(14px) scale(.99)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes sparkle{0%,100%{opacity:.45;transform:scale(.86)}50%{opacity:1;transform:scale(1.12)}}
@media(max-width:1080px){.auth-panel{grid-template-columns:.8fr 1.2fr}.auth-visual{padding:28px}.auth-form-panel{padding:34px}.auth-visual h1{font-size:31px}.classroom-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.about-feature-grid{grid-template-columns:1fr}}
@media(max-width:760px){.auth-screen{padding:13px}.auth-panel{grid-template-columns:1fr;min-height:auto;border-radius:22px}.auth-visual{display:none}.auth-form-panel{padding:27px 21px}.auth-mobile-mark{width:30px;height:30px;display:grid;place-items:center;margin-bottom:15px;border-radius:10px;background:#f0edff;color:#715bda}.auth-welcome h2{font-size:23px}.auth-welcome p{font-size:9px}.auth-form{gap:10px}.auth-bottom{margin-top:17px}.profile-photo-row{align-items:flex-start}.classroom-grid{grid-template-columns:1fr}.assignment-grid{grid-template-columns:1fr}.class-detail-title{align-items:flex-start;flex-direction:column}.detail-code{width:100%;grid-template-columns:1fr auto auto}.detail-code>span{grid-column:1}.member-date{display:none}.settings-layout{gap:10px}.about-feature-grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){#page-view>*{animation:none!important}.hero-study-card,.auth-art-card,.auth-art-star{animation:none!important}}
.submission-grade{display:grid;justify-items:end;gap:5px;flex:none}.submission-grade .btn{padding:5px 7px;font-size:8px}.submission-row{align-items:center}
.auth-error{white-space:pre-line}
.sidebar{height:100vh;height:100dvh;overflow:hidden}
.nav-list{flex:1;min-height:0;overflow-y:auto;align-content:start;overscroll-behavior:contain;padding-right:3px;scrollbar-width:thin;scrollbar-color:rgba(148,163,184,.28) transparent}
.nav-list::-webkit-scrollbar{width:5px}.nav-list::-webkit-scrollbar-thumb{background:rgba(148,163,184,.24);border-radius:8px}.sidebar-bottom{flex:none}
.profile-chip{gap:6px}.signout-link{border:1px solid var(--line);border-radius:8px;background:rgba(148,163,184,.05);color:var(--muted);padding:6px 7px;font-size:9px;font-weight:650;white-space:nowrap;cursor:pointer;transition:background .2s,color .2s,border-color .2s}.signout-link:hover{background:rgba(255,113,129,.1);border-color:rgba(255,113,129,.27);color:#ff8794}
.planner-layout{grid-template-columns:minmax(0,1.35fr) minmax(270px,.9fr);align-items:start}.planner-layout>.panel{min-width:0}.calendar-controls{display:flex;align-items:center;gap:6px}.calendar-title{flex:1;text-align:center}.calendar-grid{grid-template-columns:repeat(7,minmax(0,1fr));gap:6px}.calendar-day{appearance:none;width:100%;min-width:0;display:flex;flex-direction:column;align-items:flex-start;text-align:left;background:transparent;color:inherit;cursor:pointer;overflow:hidden;transition:background .18s,border-color .18s,transform .18s}.calendar-day:hover{background:rgba(139,92,246,.08);border-color:rgba(154,121,255,.35);transform:translateY(-1px)}.calendar-day.selected{border-color:rgba(154,121,255,.7);background:rgba(139,92,246,.13);color:#e3d9ff;box-shadow:inset 0 0 0 1px rgba(154,121,255,.15)}.light-theme .calendar-day.selected{background:rgba(124,103,237,.13);color:#5743bd}.calendar-day:focus-visible{outline:2px solid #a58aff;outline-offset:2px}.calendar-day .day-count{font-size:8px;color:var(--blue);max-width:100%;overflow:hidden;text-overflow:ellipsis}.day-plan-panel .empty-state{min-height:165px;display:flex;flex-direction:column;justify-content:center;align-items:center}
@media(max-width:980px){.planner-layout{grid-template-columns:minmax(0,1.2fr) minmax(245px,.8fr)}}
@media(max-width:760px){.planner-layout{grid-template-columns:minmax(0,1fr)}.sidebar{width:275px}.nav-list{padding-right:4px}.profile-chip{gap:8px}.calendar-panel,.day-plan-panel{width:100%}.calendar-day{min-height:52px;padding:5px}.calendar-grid{gap:4px}.calendar-controls{gap:2px}}

/* Auth screens: softer ambient color, clearer hierarchy, and calm motion. */
.auth-screen{position:relative;isolation:isolate;overflow:hidden;background:#f4f6fc}
.auth-screen::before,.auth-screen::after{content:"";position:absolute;z-index:-1;pointer-events:none;border-radius:50%;filter:blur(2px)}
.auth-screen::before{width:clamp(340px,44vw,700px);height:clamp(340px,44vw,700px);left:-14%;top:-34%;background:radial-gradient(circle,rgba(153,133,255,.22),rgba(153,133,255,.07) 42%,transparent 70%);animation:authBackdropA 18s ease-in-out infinite alternate}
.auth-screen::after{width:clamp(300px,38vw,580px);height:clamp(300px,38vw,580px);right:-13%;bottom:-35%;background:radial-gradient(circle,rgba(76,190,218,.18),rgba(76,190,218,.06) 45%,transparent 70%);animation:authBackdropB 22s ease-in-out infinite alternate}
.auth-panel{width:min(1200px,100%);min-height:740px;grid-template-columns:.98fr 1.02fr;box-shadow:0 35px 105px rgba(48,65,116,.18),0 2px 8px rgba(48,65,116,.04);position:relative;z-index:1}
.auth-visual{background:linear-gradient(145deg,#6f61e7 0%,#8173ed 44%,#53bad9 125%);background-size:155% 155%;animation:authGradient 20s ease-in-out infinite alternate}
.auth-visual:before{background-size:42px 42px;animation:authGrid 35s linear infinite}
.auth-visual:after{animation:authHalo 12s ease-in-out infinite alternate}
.auth-visual-content{margin-top:82px}
.auth-art{height:235px;margin:17px 0 8px}
.auth-art-orbit.one{animation:authPulse 7s ease-in-out infinite}
.auth-art-orbit.two{animation:authPulse 9s ease-in-out -2s infinite}
.auth-art-card{box-shadow:0 25px 54px rgba(47,45,133,.25),inset 0 1px 0 rgba(255,255,255,.16)}
.auth-form-panel{padding:48px}
.auth-form-inner{width:min(430px,100%)}
.auth-welcome{animation:authItemIn .55s .06s both}
.auth-welcome h2{font-size:28px;letter-spacing:-1px}
.auth-welcome p{font-size:11px;margin-bottom:22px}
.auth-role-picker{padding:5px;border-radius:14px;animation:authItemIn .55s .12s both}
.auth-role-picker button{min-height:42px;border-radius:10px}
.auth-role-picker button:hover{transform:translateY(-1px);color:#5945c0}
.auth-form{gap:13px}
.auth-form .form-group{animation:authItemIn .48s both}
.auth-form .form-group:nth-child(1){animation-delay:.16s}
.auth-form .form-group:nth-child(2){animation-delay:.21s}
.auth-form .form-group:nth-child(3){animation-delay:.26s}
.auth-form .form-group:nth-child(4){animation-delay:.31s}
.auth-form .form-group label{font-size:10px}
.auth-form .field{height:47px;font-size:11px;transition:border-color .2s,box-shadow .2s,background .2s,transform .2s}
.auth-form .field:focus{transform:translateY(-1px)}
.auth-form .help-text{font-size:9px}
.auth-error.show{display:grid;grid-template-columns:19px minmax(0,1fr);align-items:start;gap:3px 9px;padding:11px 12px;border:1px solid rgba(218,86,109,.08);border-radius:11px;animation:authItemIn .35s both}
.auth-error-icon{width:19px;height:19px;display:grid;place-items:center;border-radius:7px;background:rgba(201,75,98,.1);font-weight:800;font-size:12px;line-height:1}
.auth-error-message{align-self:center}
.auth-error-action{grid-column:2;justify-self:start;padding:2px 0 0;border:0;background:none;color:#a83d51;text-decoration:underline;text-underline-offset:2px;font-size:9px;font-weight:700;cursor:pointer}
.auth-submit{position:relative;overflow:hidden;min-height:49px;border-radius:13px;font-size:12px;box-shadow:0 11px 27px rgba(121,89,237,.28);animation:authItemIn .5s .35s both}
.auth-submit::after{content:"";position:absolute;inset:0 auto 0 -45%;width:30%;transform:skewX(-20deg);background:linear-gradient(90deg,transparent,rgba(255,255,255,.25),transparent);transition:transform .65s ease;pointer-events:none}
.auth-submit:hover::after{transform:translateX(520%) skewX(-20deg)}
.auth-switch{font-size:10px;margin-top:18px;animation:authItemIn .45s .38s both}
.auth-switch button,.auth-about-link{font-size:10px}
.auth-bottom{margin-top:27px}
.auth-bottom>span{font-size:9px}
.auth-security-note{font-size:9px}
.auth-form .field:focus-visible,.auth-role-picker button:focus-visible,.auth-submit:focus-visible,.auth-error-action:focus-visible{outline:3px solid rgba(124,96,239,.3);outline-offset:2px}
@keyframes authGradient{0%{background-position:0% 40%}100%{background-position:100% 60%}}
@keyframes authGrid{to{background-position:42px 42px}}
@keyframes authHalo{0%{transform:translate(0,0) scale(.96);opacity:.65}100%{transform:translate(-12px,18px) scale(1.04);opacity:1}}
@keyframes authPulse{0%,100%{transform:scale(.96);opacity:.65}50%{transform:scale(1.035);opacity:1}}
@keyframes authBackdropA{from{transform:translate3d(0,0,0) scale(.94)}to{transform:translate3d(7%,5%,0) scale(1.05)}}
@keyframes authBackdropB{from{transform:translate3d(0,0,0) scale(1.02)}to{transform:translate3d(-8%,-5%,0) scale(.92)}}
@keyframes authItemIn{from{opacity:0;transform:translateY(9px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:1080px){.auth-panel{min-height:700px}.auth-form-panel{padding:38px}.auth-visual-content{margin-top:70px}}
@media(max-width:760px){.auth-screen{overflow:visible}.auth-panel{width:min(560px,100%);min-height:auto}.auth-form-panel{padding:27px 21px}.auth-welcome h2{font-size:25px}.auth-bottom{margin-top:19px}}
@media(prefers-reduced-motion:reduce){.auth-screen::before,.auth-screen::after,.auth-visual,.auth-visual:before,.auth-visual:after,.auth-art-orbit,.auth-welcome,.auth-role-picker,.auth-form .form-group,.auth-error.show,.auth-submit,.auth-switch,.auth-submit::after{animation:none!important;transition:none!important}}

/* Classroom submissions and private conversations. */
.modal{overscroll-behavior:contain;scrollbar-gutter:stable}
.modal-head{position:sticky;top:0;z-index:2;background:rgba(22,34,54,.98);backdrop-filter:blur(12px)}
.modal-body .form-grid{gap:14px}
.modal-actions{position:sticky;bottom:0;z-index:2;margin-top:16px;padding-top:12px;background:linear-gradient(180deg,rgba(17,28,46,.9),#111c2e 24%);border-top:1px solid var(--line)}
.submission-upload-zone{display:grid;justify-items:center;gap:5px;padding:17px 14px;border:1px dashed rgba(154,121,255,.42);border-radius:13px;background:linear-gradient(145deg,rgba(139,92,246,.08),rgba(59,130,246,.035));text-align:center;transition:border-color .2s,background .2s,transform .2s}
.submission-upload-zone:hover,.submission-upload-zone:focus-within{border-color:rgba(154,121,255,.72);background:rgba(139,92,246,.1)}
.submission-upload-zone b{font-size:11px;color:#e0e7f5}
.submission-upload-zone>small,.upload-list-empty{font-size:9px;color:var(--muted)}
.upload-cloud{width:32px;height:32px;display:grid;place-items:center;border-radius:10px;background:rgba(139,92,246,.16);color:#c4b4ff;font-size:19px;margin-bottom:2px}
.upload-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:7px;margin-top:7px}
.submission-file-list{display:grid;gap:6px;margin-top:8px}
.upload-list-empty{padding:5px 2px}
.selected-upload,.submission-file{display:flex;align-items:center;gap:8px;min-width:0;padding:7px 9px;border:1px solid var(--line);border-radius:9px;background:rgba(148,163,184,.045);font-size:9px}
.upload-file-icon,.submission-file>span:first-child{color:#ae98ff;flex:none}
.upload-file-name,.submission-file>span:nth-child(2){flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.selected-upload small,.submission-file small{color:var(--muted);white-space:nowrap;font-size:8px}
.upload-remove{width:22px;height:22px;border:0;border-radius:7px;background:transparent;color:#ff98a1;font-size:15px;cursor:pointer}
.upload-remove:hover{background:rgba(255,113,129,.12)}
.class-chat-panel{margin:14px 0;overflow:hidden}
.class-chat-panel>.panel-head{align-items:center}
.chat-privacy-tag{padding:6px 9px;border:1px solid rgba(55,211,154,.18);border-radius:20px;background:rgba(55,211,154,.07);color:#83dabc;font-size:8px;white-space:nowrap}
.class-chat-layout{display:grid;grid-template-columns:minmax(170px,.34fr) minmax(0,1fr);gap:12px;min-height:370px}
.chat-contacts{display:grid;align-content:start;gap:6px;padding:5px;border:1px solid var(--line);border-radius:13px;background:rgba(5,12,24,.16);max-height:500px;overflow:auto}
.chat-contact{display:flex;align-items:center;gap:9px;width:100%;min-width:0;padding:9px;border:1px solid transparent;border-radius:10px;background:transparent;color:var(--text);text-align:left;cursor:pointer;transition:background .18s,border-color .18s,transform .18s}
.chat-contact:hover{background:rgba(139,92,246,.08);transform:translateY(-1px)}
.chat-contact.active{background:rgba(139,92,246,.14);border-color:rgba(154,121,255,.24)}
.chat-avatar{width:34px;height:34px;display:grid;place-items:center;flex:none;border-radius:11px;background:linear-gradient(145deg,#9b7aff,#5c91e5);color:white;font-size:12px;font-weight:750}
.chat-avatar.teacher{background:linear-gradient(145deg,#66cdb3,#378da2)}
.chat-contact-copy{display:grid;gap:2px;min-width:0;flex:1}
.chat-contact-copy b{font-size:10px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat-contact-copy small{font-size:8px;color:var(--muted)}
.chat-contact-arrow{color:#98a5b9;font-size:17px}
.chat-conversation{display:flex;flex-direction:column;min-width:0;border:1px solid var(--line);border-radius:13px;overflow:hidden;background:rgba(5,12,24,.12)}
.chat-conversation-head{display:flex;align-items:center;gap:10px;padding:10px 13px;border-bottom:1px solid var(--line);background:rgba(148,163,184,.035)}
.chat-conversation-head>span:nth-child(2){display:grid;gap:2px;min-width:0}
.chat-conversation-head b{font-size:10px}
.chat-conversation-head small{font-size:8px;color:var(--muted)}
.chat-online-dot{width:7px;height:7px;border-radius:50%;margin-left:auto;background:#39cf98;box-shadow:0 0 10px rgba(55,211,154,.45)}
.chat-feed{display:flex;flex:1;flex-direction:column;gap:9px;min-height:210px;max-height:340px;overflow:auto;padding:14px;scroll-behavior:smooth;overscroll-behavior:contain}
.chat-message{align-self:flex-start;max-width:min(82%,540px);padding:8px 11px;border:1px solid var(--line);border-radius:5px 13px 13px 13px;background:rgba(148,163,184,.075);animation:chatAppear .22s ease both}
.chat-message.mine{align-self:flex-end;border-color:rgba(154,121,255,.28);border-radius:13px 5px 13px 13px;background:linear-gradient(135deg,rgba(139,92,246,.25),rgba(59,130,246,.13))}
.chat-message-meta{margin-bottom:4px;color:#c6b7ff;font-size:8px;font-weight:700}
.chat-message-meta span{color:var(--muted);font-weight:450}
.chat-message p{margin:0;color:#e4eaf4;font-size:10px;line-height:1.55;overflow-wrap:anywhere}
.chat-empty{display:grid;place-content:center;justify-items:center;flex:1;min-height:190px;text-align:center;color:var(--muted)}
.chat-empty .empty-icon{margin-bottom:7px}
.chat-empty b{color:#dce4f1;font-size:10px}
.chat-empty p{margin:3px 0;font-size:9px}
.chat-compose{padding:10px;border-top:1px solid var(--line);background:rgba(148,163,184,.025)}
.chat-compose textarea{display:block;width:100%;min-height:48px;max-height:120px;resize:vertical;padding:9px 10px;border:1px solid var(--line-strong);border-radius:10px;background:rgba(5,12,24,.35);color:var(--text);font-size:10px;outline:none}
.chat-compose textarea:focus{border-color:rgba(154,121,255,.7);box-shadow:0 0 0 3px rgba(139,92,246,.12)}
.chat-compose-foot{display:flex;align-items:center;justify-content:space-between;gap:9px;margin-top:7px}
.chat-compose-foot small{color:var(--muted);font-size:8px}
.chat-no-peers{min-height:190px}
.member-row .btn{margin-left:auto;flex:none}
.submission-files{display:grid;gap:5px;margin:6px 0}
.submission-file{color:#d8e2f0;text-decoration:none}
.submission-file:hover{border-color:rgba(154,121,255,.4);background:rgba(139,92,246,.09)}
.submission-file small{margin-left:auto}
.submission-own-note,.teacher-feedback{margin:9px 0;padding:9px 10px;border-radius:10px;background:rgba(59,130,246,.07);border:1px solid rgba(59,130,246,.13)}
.submission-own-note b,.teacher-feedback b{font-size:8px;color:#aebfe0}
.submission-own-note p,.teacher-feedback p{margin:4px 0 0;color:#d9e1ee;font-size:9px;line-height:1.5;white-space:pre-wrap;overflow-wrap:anywhere}
.teacher-feedback{background:rgba(16,185,129,.07);border-color:rgba(16,185,129,.16)}
.teacher-feedback b{color:#76d8b4}
.teacher-feedback-preview{white-space:normal!important;color:#70cda8!important}
@keyframes chatAppear{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:760px){.class-chat-layout{grid-template-columns:minmax(0,1fr);gap:8px}.chat-contacts{grid-auto-flow:column;grid-auto-columns:minmax(135px,1fr);grid-template-columns:none;max-height:none;overflow-x:auto;overflow-y:hidden}.chat-contact{padding:7px}.chat-feed{min-height:185px;max-height:290px}.chat-privacy-tag{white-space:normal;text-align:right;max-width:150px}.member-row{flex-wrap:wrap}.member-row .member-name{min-width:130px}.member-row .member-date{display:none}.modal-backdrop{align-items:start;padding:10px;overflow:auto}.modal{max-height:calc(100dvh - 20px)}.modal-head{padding:13px 15px}.modal-body{padding:14px 15px}.modal-actions{padding:10px 0 3px}.submission-upload-zone{padding:13px 10px}}
@media(prefers-reduced-motion:reduce){.chat-message{animation:none!important}.chat-feed{scroll-behavior:auto}}
.light-theme .modal-head{background:rgba(255,255,255,.98)}
.light-theme .modal-actions{background:linear-gradient(180deg,rgba(255,255,255,.9),#fff 24%)}
.light-theme .submission-upload-zone{background:linear-gradient(145deg,rgba(139,92,246,.06),rgba(59,130,246,.025))}
.light-theme .submission-upload-zone b,.light-theme .chat-message p,.light-theme .submission-own-note p,.light-theme .teacher-feedback p{color:#273550}
.light-theme .chat-privacy-tag{color:#238264;background:rgba(55,211,154,.08)}
.light-theme .chat-contacts,.light-theme .chat-conversation{background:#f8f9ff}
.light-theme .chat-contact{color:#273550}
.light-theme .chat-conversation-head,.light-theme .chat-compose{background:#fbfcff}
.light-theme .chat-message{background:#fff;border-color:#e3e8f2}
.light-theme .chat-message.mine{background:linear-gradient(135deg,#eee9ff,#eaf2ff);border-color:#d9d0ff}
.light-theme .chat-message-meta{color:#6652c5}
.light-theme .chat-message-meta span,.light-theme .chat-empty,.light-theme .chat-empty p{color:#748098}
.light-theme .chat-empty b,.light-theme .chat-conversation-head b{color:#26334d}
.light-theme .chat-compose textarea{background:#fff;color:#25324d}
.light-theme .submission-file{background:#fff;color:#384965}
.light-theme .submission-own-note,.light-theme .teacher-feedback{background:#f2f7ff}
.light-theme .submission-own-note b,.light-theme .teacher-feedback b{color:#4e6387}
.light-theme .teacher-feedback{background:#effaf5}
.light-theme .teacher-feedback b,.light-theme .teacher-feedback-preview{color:#258664!important}

/* Profile covers and classmate profile cards */
.profile-cover-editor{margin:15px 0 14px;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:linear-gradient(120deg,rgba(139,92,246,.08),rgba(59,130,246,.05))}
.profile-cover-preview{height:154px;position:relative;display:flex;align-items:flex-end;overflow:hidden;background:radial-gradient(ellipse at 82% 15%,rgba(196,181,253,.8),transparent 36%),radial-gradient(ellipse at 12% 96%,rgba(73,192,220,.62),transparent 46%),linear-gradient(120deg,#6f5ce3,#6e8de0 58%,#72c8da)}
.profile-cover-preview:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(12,20,38,.52),transparent 65%);pointer-events:none}
.profile-cover-preview img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.profile-cover-preview span{position:relative;z-index:1;padding:0 17px 13px;color:#fff;font-size:8px;font-weight:800;letter-spacing:1.15px;text-shadow:0 1px 10px rgba(0,0,0,.3)}
.profile-cover-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:10px 13px}
.profile-cover-actions small{width:100%;color:var(--muted);font-size:9px}
.profile-modal-backdrop{align-items:center}
.profile-view-modal{width:min(620px,100%);max-height:min(90dvh,760px);padding:0;overflow:auto;position:relative;border:1px solid rgba(255,255,255,.12);border-radius:24px;background:linear-gradient(145deg,#15233a,#101a2c);box-shadow:0 32px 100px rgba(0,0,0,.45);animation:profileCardIn .28s cubic-bezier(.2,.8,.2,1) both}
.profile-modal-close{position:absolute;z-index:4;right:14px;top:14px;width:34px;height:34px;border:1px solid rgba(255,255,255,.28);border-radius:50%;background:rgba(12,18,32,.42);color:#fff;font-size:21px;cursor:pointer;backdrop-filter:blur(10px)}
.profile-modal-cover{height:220px;position:relative;overflow:hidden;background:radial-gradient(ellipse at 75% 10%,rgba(202,184,255,.85),transparent 32%),radial-gradient(ellipse at 10% 100%,rgba(89,212,217,.65),transparent 46%),linear-gradient(120deg,#6355d8,#759ce9 60%,#78d2df)}
.profile-modal-cover>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.profile-modal-cover:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(10,16,29,.36),transparent 64%)}
.profile-modal-cover-art{position:absolute;inset:0;overflow:hidden;background:radial-gradient(circle at 50% 110%,rgba(255,255,255,.24),transparent 38%)}
.profile-modal-cover-art span{position:absolute;right:17%;top:21%;color:rgba(255,255,255,.85);font-size:32px;animation:sparkle 3.5s ease-in-out infinite}
.profile-modal-cover-art i{position:absolute;width:220px;height:220px;right:5%;top:-105px;border:1px solid rgba(255,255,255,.24);border-radius:50%;box-shadow:0 0 0 24px rgba(255,255,255,.06),0 0 0 48px rgba(255,255,255,.04)}
.profile-cover-glow{position:absolute;inset:0;box-shadow:inset 0 -60px 50px -55px rgba(11,17,32,.5)}
.profile-modal-content{position:relative;padding:0 27px 19px}
.profile-modal-avatar{position:relative;z-index:1;width:96px;height:96px;margin-top:-49px;border:5px solid #15233a;border-radius:30px;display:grid;place-items:center;background:linear-gradient(145deg,#a38bff,#55b9db);color:#fff;font-size:30px;font-weight:800;box-shadow:0 9px 24px rgba(0,0,0,.28);overflow:hidden}
.profile-modal-avatar img{width:100%;height:100%;object-fit:cover}
.profile-modal-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:9px}
.profile-modal-heading h2{margin:8px 0 0;font-size:23px;letter-spacing:-.7px;color:#f7f9ff}
.profile-modal-heading p{margin:3px 0 0;color:#97a7bf;font-size:10px}
.profile-modal-heading .role-tag{display:inline-flex;font-size:8px}
.profile-bio-card,.profile-private-note{margin-top:18px;padding:15px;border:1px solid rgba(148,163,184,.14);border-radius:14px;background:rgba(255,255,255,.035)}
.profile-bio-card .eyebrow{margin:0 0 7px;font-size:8px}
.profile-bio-card p{margin:0;color:#c1cde0;font-size:11px;line-height:1.75;white-space:pre-wrap;overflow-wrap:anywhere}
.profile-private-note{display:flex;gap:11px;align-items:flex-start;color:#bba9ff}
.profile-private-note>span{font-size:16px}
.profile-private-note div{display:grid;gap:4px}
.profile-private-note b{font-size:10px;color:#ebedff}
.profile-private-note small{font-size:9px;line-height:1.6;color:#96a6bf}
.profile-modal-footer{display:flex;justify-content:space-between;gap:10px;margin-top:17px;padding-top:12px;border-top:1px solid rgba(148,163,184,.12);color:#7f90aa;font-size:8px}
.chat-profile-action{margin-left:auto;white-space:nowrap}
@keyframes profileCardIn{from{opacity:0;transform:translateY(9px) scale(.985)}to{opacity:1;transform:translateY(0) scale(1)}}
.light-theme .profile-cover-editor{background:linear-gradient(120deg,#f4f2ff,#eef8ff)}
.light-theme .profile-view-modal{background:linear-gradient(145deg,#fff,#f9fbff);border-color:rgba(66,83,123,.14)}
.light-theme .profile-modal-avatar{border-color:#fff}
.light-theme .profile-modal-heading h2{color:#1e2a44}
.light-theme .profile-modal-heading p,.light-theme .profile-modal-footer{color:#77849c}
.light-theme .profile-bio-card,.light-theme .profile-private-note{background:#f6f7fc;border-color:rgba(66,83,123,.12)}
.light-theme .profile-bio-card p{color:#43516c}
.light-theme .profile-private-note b{color:#293650}
.light-theme .profile-private-note small{color:#77849c}
@media(max-width:760px){.profile-cover-preview{height:126px}.profile-modal-backdrop{align-items:flex-start}.profile-view-modal{max-height:calc(100dvh - 20px);border-radius:20px}.profile-modal-cover{height:174px}.profile-modal-content{padding:0 17px 15px}.profile-modal-avatar{width:82px;height:82px;border-radius:25px;margin-top:-42px}.profile-modal-heading h2{font-size:20px}.profile-modal-heading .btn{padding:7px 9px}.chat-profile-action{padding:6px 8px;font-size:9px}}
@media(prefers-reduced-motion:reduce){.profile-modal-cover-art span,.profile-view-modal{animation:none!important}}

/* Study documents: a calm, paper-like editor with familiar formatting controls. */
.modal.note-modal{width:min(930px,100%);max-height:min(94dvh,900px);background:linear-gradient(145deg,#17243a,#111b2c)}
.note-modal .modal-head{padding:16px 21px}
.note-modal .modal-head h2{font-size:15px;letter-spacing:-.25px}
.note-modal .modal-body{padding:18px 21px 0}
.note-document-group{gap:8px!important}
.note-editor-shell{overflow:hidden;border:1px solid rgba(135,151,178,.25);border-radius:15px;background:#fff;box-shadow:0 15px 40px rgba(0,0,0,.18);transition:box-shadow .24s,transform .24s,border-color .24s}
.note-editor-shell:focus-within{border-color:#9781fa;box-shadow:0 0 0 4px rgba(139,92,246,.16),0 18px 44px rgba(0,0,0,.2);transform:translateY(-1px)}
.note-editor-toolbar{display:flex;align-items:center;gap:5px;flex-wrap:wrap;padding:9px 11px;background:linear-gradient(180deg,#f9faff,#f1f3fa);border-bottom:1px solid #e4e8f1}
.note-editor-toolbar button{min-height:30px;padding:0 9px;border:1px solid transparent;border-radius:7px;background:transparent;color:#53617c;font-size:11px;font-weight:650;cursor:pointer;transition:background .18s,color .18s,transform .18s}
.note-editor-toolbar button:hover,.note-editor-toolbar button:focus-visible{background:#fff;border-color:#dfe4f0;color:#614bd0;transform:translateY(-1px);outline:0}
.note-editor-toolbar>span{width:1px;height:20px;margin:0 3px;background:#dfe4ee}
.note-document-editor{min-height:360px;max-height:min(55vh,560px);overflow:auto;padding:37px clamp(22px,6vw,72px);background:linear-gradient(90deg,transparent 0,transparent 100%),#fff;color:#27334b;font:400 14px/1.8 ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;outline:none;overflow-wrap:anywhere;scrollbar-color:#c7ccda transparent}
.note-document-editor:empty:before{content:attr(data-placeholder);color:#9aa5b9;pointer-events:none}
.note-document-editor p{margin:0 0 .8em}
.note-document-editor h2{margin:1em 0 .45em;color:#25324d;font-size:23px;line-height:1.25;letter-spacing:-.5px}
.note-document-editor h3{margin:1em 0 .4em;color:#34425d;font-size:17px;line-height:1.35}
.note-document-editor ul,.note-document-editor ol{padding-left:1.5em;margin:.45em 0 .9em}
.note-document-editor blockquote{margin:.9em 0;padding:8px 14px;border-left:3px solid #8b70ee;border-radius:0 9px 9px 0;background:#f4f2ff;color:#596687}
.note-document-editor code,.note-document-editor pre{border-radius:6px;background:#f0f2f8;color:#51478e;padding:2px 5px;font-family:ui-monospace,SFMono-Regular,monospace;font-size:.9em}
.note-editor-status{display:flex;justify-content:space-between;gap:12px;color:#8995a9;font-size:9px;padding:1px 2px}
.note-modal .modal-actions{margin:14px -21px 0;padding:13px 21px 17px;background:linear-gradient(180deg,rgba(17,28,46,.9),#111c2e 24%)}
.note-content-preview{flex:1;max-height:118px;overflow:hidden;color:#a9b7cb;font-size:10px;line-height:1.7;mask-image:linear-gradient(#000 76%,transparent);overflow-wrap:anywhere}
.note-content-preview p{display:block!important;margin:0 0 .5em!important;white-space:normal!important;overflow:visible!important;-webkit-line-clamp:unset!important}
.note-content-preview h2,.note-content-preview h3{display:block;margin:0 0 .35em;color:var(--text);font-size:11px}
.note-content-preview ul,.note-content-preview ol{padding-left:1.5em;margin:.2em 0 .5em}
.note-content-preview blockquote{border-left:2px solid var(--primary);padding-left:8px;margin:.35em 0;color:var(--muted)}
.note-empty-line{color:#8794aa;font-style:italic}
.light-theme .modal.note-modal{background:linear-gradient(145deg,#fff,#f8faff)}
.light-theme .note-modal .modal-actions{background:linear-gradient(180deg,rgba(255,255,255,.9),#fff 24%)}
.light-theme .note-content-preview{color:#53627c}

/* Class quizzes: teacher builder, readable question cards, and clear results. */
.quiz-panel{margin:14px 0}
.quiz-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.quiz-card{position:relative;overflow:hidden;display:flex;flex-direction:column;align-items:flex-start;min-height:202px;padding:15px;border:1px solid var(--line);border-radius:15px;background:linear-gradient(145deg,rgba(24,38,61,.9),rgba(17,29,47,.94));animation:quizCardIn .38s cubic-bezier(.2,.8,.2,1) both;transition:transform .22s,border-color .22s,box-shadow .22s}
.quiz-card:after{content:"";position:absolute;width:120px;height:120px;right:-72px;top:-72px;border-radius:50%;background:radial-gradient(circle,rgba(154,121,255,.23),transparent 70%);pointer-events:none}
.quiz-card:hover{transform:translateY(-3px);border-color:rgba(154,121,255,.38);box-shadow:0 14px 30px rgba(0,0,0,.16)}
.quiz-card-top{display:flex;align-items:center;gap:8px;margin-bottom:9px}
.quiz-mark{width:28px;height:28px;border-radius:9px;display:grid;place-items:center;background:rgba(139,92,246,.16);color:#c3b2ff;font-size:13px}
.quiz-tag{display:inline-flex;align-items:center;padding:4px 7px;border-radius:20px;background:rgba(139,92,246,.13);color:#bca8ff;font-size:7px;font-weight:800;letter-spacing:.75px}
.quiz-card h3{margin:0 0 5px;color:var(--text);font-size:12px;line-height:1.4}
.quiz-card>p{flex:1;margin:0 0 9px;color:var(--muted);font-size:9px;line-height:1.6;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.quiz-card-meta{width:100%;display:flex;align-items:center;justify-content:space-between;gap:8px;margin:2px 0 10px;padding-top:8px;border-top:1px solid var(--line);color:var(--muted);font-size:8px}
.quiz-card-meta b{color:var(--green);font-size:8px}
.quiz-card .btn:disabled{opacity:.55;cursor:default;transform:none}
.quiz-complete{border-color:rgba(55,211,154,.22)}
.quiz-complete .quiz-mark{background:rgba(55,211,154,.12);color:#54d9a8}
.quiz-empty{padding:22px 14px;text-align:center;border:1px dashed var(--line-strong);border-radius:14px;color:var(--muted)}
.quiz-empty-icon{width:36px;height:36px;margin:0 auto 8px;border-radius:12px;display:grid;place-items:center;background:rgba(139,92,246,.13);color:#c4b2ff;font-size:17px}
.quiz-empty b{display:block;color:var(--text);font-size:11px}
.quiz-empty p{margin:4px 0 11px;font-size:9px}
.modal.quiz-modal{width:min(760px,100%)}
.quiz-modal .modal-body{padding-bottom:0}
.quiz-builder-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 12px;border:1px solid var(--line);border-radius:11px;background:rgba(139,92,246,.055)}
.quiz-builder-heading>div{display:grid;gap:3px}
.quiz-builder-heading small{color:var(--muted);font-size:8px}
.quiz-question-list{gap:12px}
.quiz-question-editor{display:grid;gap:10px;padding:14px;border:1px solid var(--line-strong);border-radius:13px;background:linear-gradient(145deg,rgba(139,92,246,.06),rgba(59,130,246,.025));animation:quizCardIn .25s ease both}
.quiz-question-editor-head{display:flex;align-items:center;justify-content:space-between}
.quiz-question-number{font-size:10px;color:var(--text)}
.quiz-options-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.quiz-option-field{display:flex;align-items:center;gap:7px;min-width:0;color:var(--muted);font-size:9px}
.quiz-option-field>span{width:22px;height:22px;display:grid;place-items:center;flex:none;border-radius:7px;background:rgba(139,92,246,.12);color:#c3b1ff;font-size:9px;font-weight:750}
.quiz-option-field .field{min-width:0;flex:1}
.quiz-question-editor .form-group label{font-size:8px}
.quiz-attempt-intro{grid-column:1/-1;padding:12px 14px;border:1px solid rgba(139,92,246,.18);border-radius:12px;background:linear-gradient(120deg,rgba(139,92,246,.1),rgba(59,130,246,.05))}
.quiz-attempt-intro p{margin:7px 0 0;color:var(--muted);font-size:9px;line-height:1.6}
.quiz-attempt-question{min-width:0;margin:0;padding:14px;border:1px solid var(--line);border-radius:13px;background:rgba(148,163,184,.035);animation:quizCardIn .32s ease both}
.quiz-attempt-question legend{max-width:100%;padding:0 0 11px;color:var(--text);font-size:11px;font-weight:700}
.quiz-attempt-question legend>span{width:23px;height:23px;margin-right:8px;display:inline-grid;place-items:center;border-radius:8px;background:rgba(139,92,246,.16);color:#c5b3ff;font-size:9px}
.quiz-answer-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}
.quiz-answer-option{display:flex;align-items:center;gap:8px;min-width:0;padding:9px 10px;border:1px solid var(--line);border-radius:9px;background:rgba(7,14,27,.2);color:var(--muted);font-size:9px;cursor:pointer;transition:border-color .18s,background .18s,color .18s}
.quiz-answer-option:hover{border-color:rgba(154,121,255,.4);color:var(--text)}
.quiz-answer-option:has(input:checked){border-color:rgba(154,121,255,.62);background:rgba(139,92,246,.13);color:var(--text)}
.quiz-answer-option input{accent-color:#8d70f4;flex:none}
.quiz-results-summary{display:flex;align-items:baseline;gap:9px;margin-bottom:12px;padding:12px;border-radius:11px;background:rgba(139,92,246,.1)}
.quiz-results-summary span{font-size:23px;font-weight:800;color:#baa7ff}
.quiz-results-summary small{color:var(--muted);font-size:9px}
.quiz-results-list{display:grid;gap:7px}
.quiz-result-row{display:grid;grid-template-columns:25px minmax(90px,1fr) auto 45px auto;align-items:center;gap:8px;padding:9px;border:1px solid var(--line);border-radius:9px;background:rgba(148,163,184,.035);font-size:8px}
.quiz-result-rank{width:21px;height:21px;display:grid;place-items:center;border-radius:7px;background:rgba(139,92,246,.12);color:#c2b0ff;font-weight:750}
.quiz-result-row b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text)}
.quiz-result-row>span:nth-of-type(2),.quiz-result-row small{color:var(--muted)}
.quiz-result-row strong{text-align:right;color:var(--green);font-size:10px}
.quiz-results-empty{text-align:center;padding:24px 10px;color:var(--muted);font-size:10px}
.quiz-finish-card{grid-column:1/-1;padding:22px;text-align:center;border:1px solid rgba(139,92,246,.2);border-radius:15px;background:radial-gradient(circle at 50% 0,rgba(139,92,246,.18),transparent 55%),rgba(139,92,246,.04);animation:quizCardIn .42s cubic-bezier(.2,.8,.2,1) both}
.quiz-finish-spark{display:block;color:#bca6ff;font-size:23px;animation:sparkle 2s ease-in-out infinite}
.quiz-finish-card strong{display:block;margin:2px 0;font-size:40px;letter-spacing:-1.5px;color:var(--text)}
.quiz-finish-card b{display:block;color:var(--green);font-size:11px}
.quiz-finish-card p{max-width:360px;margin:8px auto 0;color:var(--muted);font-size:9px;line-height:1.6}
.light-theme .quiz-card{background:linear-gradient(145deg,#fff,#f7f8ff);border-color:rgba(66,83,111,.13);box-shadow:0 9px 25px rgba(48,66,99,.05)}
.light-theme .quiz-card h3,.light-theme .quiz-question-number,.light-theme .quiz-attempt-question legend,.light-theme .quiz-result-row b{color:#1e2b45}
.light-theme .quiz-question-editor,.light-theme .quiz-attempt-question,.light-theme .quiz-result-row{background:#fbfcff}
.light-theme .quiz-answer-option{background:#fff;color:#56657d}
.light-theme .quiz-answer-option:has(input:checked){background:#f0edff;color:#44398c}
.light-theme .quiz-finish-card strong{color:#26324b}
@keyframes quizCardIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:760px){.note-modal .modal-body{padding:13px 13px 0}.note-modal .modal-actions{margin:14px -13px 0;padding:12px 13px}.note-document-editor{min-height:280px;padding:25px 19px;font-size:13px}.note-editor-toolbar{gap:3px;padding:7px}.note-editor-toolbar button{padding:0 7px;font-size:10px}.quiz-grid{grid-template-columns:1fr}.quiz-card{min-height:175px}.quiz-options-grid,.quiz-answer-options{grid-template-columns:1fr}.quiz-result-row{grid-template-columns:23px minmax(70px,1fr) 42px}.quiz-result-row>span:nth-of-type(2){grid-column:2}.quiz-result-row strong{grid-column:3;grid-row:1}.quiz-result-row small{grid-column:2/-1}.quiz-builder-heading{align-items:flex-start;flex-direction:column}}
@media(prefers-reduced-motion:reduce){.quiz-card,.quiz-question-editor,.quiz-attempt-question,.quiz-finish-card,.quiz-finish-spark,.note-editor-shell{animation:none!important;transition:none!important}}

/* Shared class deadlines in the planner calendar. */
.calendar-day{min-height:82px;padding:7px;align-items:flex-start;border-radius:10px}
.calendar-day.has-task:after{display:none}
.calendar-day-number{font-size:10px;font-weight:700;line-height:1.25}
.calendar-day-events{display:grid;gap:3px;width:100%;min-width:0;margin-top:5px}
.calendar-event-chip{display:block;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:2px 4px;border-radius:5px;background:rgba(139,92,246,.14);color:#c7b7ff;font-size:7px;line-height:1.35}
.calendar-event-chip i{display:inline-block;width:4px;height:4px;margin:0 4px 1px 0;border-radius:50%;background:currentColor}
.calendar-event-chip.assignment{background:rgba(59,130,246,.13);color:#82baff}
.calendar-event-chip.quiz{background:rgba(245,158,11,.13);color:#ffd17a}
.calendar-event-chip.study{background:rgba(16,185,129,.11);color:#65ddb2}
.calendar-more{font-size:7px;color:var(--muted);padding-left:3px}
.calendar-legend{flex-wrap:wrap;row-gap:6px}
.calendar-class-event{display:flex;align-items:center;gap:9px;padding:10px 2px;border-bottom:1px solid var(--line)}
.calendar-class-event:last-child{border-bottom:0}
.calendar-class-event-icon{width:29px;height:29px;display:grid;place-items:center;flex:none;border-radius:9px;background:rgba(59,130,246,.13);color:#82baff;font-size:12px}
.calendar-class-event.quiz .calendar-class-event-icon{background:rgba(245,158,11,.12);color:#ffd17a}
.calendar-class-event-copy{display:grid;gap:2px;min-width:0;flex:1}
.calendar-class-event-copy b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text);font-size:9px}
.calendar-class-event-copy small{color:var(--muted);font-size:8px;line-height:1.4}
.calendar-class-event .text-action{white-space:nowrap}
.day-plan-items{display:grid;gap:3px}

/* Make class work match the dark workspace and emphasize review progress. */
.assignment-card{background:linear-gradient(145deg,rgba(24,38,61,.96),rgba(17,29,47,.98));border-color:var(--line-strong);box-shadow:0 10px 26px rgba(0,0,0,.09)}
.assignment-card h3{color:var(--text)}
.assignment-card>p{color:var(--muted)}
.assignment-score-meta,.submission-summary{border-color:var(--line);color:var(--muted)}
.assignment-score-meta b{color:#d8e2f1}
.submission-list{border-color:var(--line)}
.submission-row{border-bottom:1px solid rgba(148,163,184,.08)}
.submission-row:last-child{border-bottom:0}
.member-name b{color:#e7edf7}
.member-name small{color:var(--muted)}
.submission-score.graded{color:var(--green)}
.submission-score.awaiting{color:var(--yellow)}
.submission-grade-track,.student-grade-track{display:block;width:100%;height:4px;overflow:hidden;border-radius:9px;background:rgba(148,163,184,.13)}
.submission-grade-track i,.student-grade-track i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--primary),var(--green));transition:width .4s ease}
.student-submission-status.graded{background:rgba(139,92,246,.13);color:#d0c2ff}
.student-grade-card{display:grid;grid-template-columns:1fr auto;gap:7px;align-items:center;margin:0 0 11px;padding:11px;border:1px solid rgba(55,211,154,.18);border-radius:10px;background:linear-gradient(120deg,rgba(16,185,129,.09),rgba(139,92,246,.07))}
.student-grade-card>div:first-child{display:grid;gap:2px}
.student-grade-card span{color:var(--muted);font-size:8px}
.student-grade-card b{font-size:18px;line-height:1.2;color:var(--text)}
.student-grade-card b small{font-size:9px;color:var(--muted);font-weight:500}
.student-grade-card>strong{font-size:14px;color:var(--green)}
.student-grade-track{grid-column:1/-1}
.teacher-feedback,.submission-own-note{border:1px solid var(--line);background:rgba(148,163,184,.045);color:var(--muted)}
.teacher-feedback b,.submission-own-note b{color:var(--text)}
.teacher-feedback p,.submission-own-note p{color:var(--muted)}
.quiz-due{display:inline-flex;align-items:center;gap:5px;margin:0 0 8px;padding:4px 7px;border-radius:7px;background:rgba(59,130,246,.1);color:#8ebeff;font-size:8px}
.quiz-complete .quiz-due{background:rgba(16,185,129,.1);color:#6ce0b5}
.quiz-review-list{display:grid;gap:8px;margin-top:12px}
.quiz-review-item{padding:11px 12px;border:1px solid var(--line);border-radius:11px;background:rgba(148,163,184,.035)}
.quiz-review-item.is-correct{border-color:rgba(55,211,154,.2)}
.quiz-review-item.is-wrong{border-color:rgba(255,113,129,.22)}
.quiz-review-head{display:flex;justify-content:space-between;gap:8px;color:var(--muted);font-size:8px}
.quiz-review-item.is-correct .quiz-review-head b{color:var(--green)}
.quiz-review-item.is-wrong .quiz-review-head b{color:#ff9ca4}
.quiz-review-item>p{margin:7px 0;color:var(--text);font-size:9px;font-weight:650}
.quiz-review-answer,.quiz-review-correct{display:grid;gap:2px;margin-top:6px;padding:7px 8px;border-radius:7px;background:rgba(148,163,184,.06)}
.quiz-review-answer small,.quiz-review-correct small{color:var(--muted);font-size:7px}
.quiz-review-answer strong,.quiz-review-correct strong{color:var(--text);font-size:8px}
.quiz-review-correct{background:rgba(16,185,129,.09)}
.quiz-review-correct strong{color:#70dfb7}
.light-theme .assignment-card{background:linear-gradient(145deg,#fff,#fafbff);border-color:rgba(66,83,111,.13);box-shadow:0 9px 24px rgba(48,66,99,.05)}
.light-theme .assignment-card h3,.light-theme .member-name b,.light-theme .student-grade-card b,.light-theme .calendar-class-event-copy b{color:#24314c}
.light-theme .assignment-card>p,.light-theme .member-name small{color:#758199}
.light-theme .assignment-score-meta,.light-theme .submission-summary{border-color:#edf0f6;color:#8490a5}
.light-theme .assignment-score-meta b{color:#43516c}
.light-theme .teacher-feedback,.light-theme .submission-own-note{background:#f8f9fd;color:#758199}
.light-theme .teacher-feedback b,.light-theme .submission-own-note b{color:#26324b}
.light-theme .calendar-class-event-copy small{color:#758199}
@media(max-width:760px){.calendar-day{min-height:64px;padding:5px}.calendar-day-number{font-size:9px}.calendar-event-chip{font-size:6px;padding:2px 3px}.calendar-class-event{align-items:flex-start}.calendar-class-event .text-action{padding:4px 2px;font-size:8px}.submission-row{align-items:flex-start;flex-wrap:wrap}.submission-row .member-name{flex-basis:calc(100% - 44px)}.submission-grade{margin-left:auto}}

/* Profile discovery, private email chat, and owner-only administration. */
.auth-role-picker{grid-template-columns:repeat(3,minmax(0,1fr))}
.chat-contact{display:flex;align-items:center;gap:4px;padding:4px;border:1px solid transparent;border-radius:11px;background:transparent;cursor:default}
.chat-contact:hover{background:rgba(139,92,246,.07);transform:none}
.chat-contact.active{background:rgba(139,92,246,.13);border-color:rgba(154,121,255,.25)}
.chat-contact-open{display:flex;align-items:center;gap:9px;flex:1;min-width:0;padding:5px;border:0;border-radius:8px;background:transparent;color:var(--text);text-align:left;cursor:pointer}
.chat-contact-open:hover{color:#d5caff}
.chat-contact-profile{flex:none;padding:6px 8px;border:1px solid var(--line);border-radius:8px;background:rgba(148,163,184,.04);color:#b9a9ff;font-size:8px;font-weight:700;cursor:pointer;transition:.18s}
.chat-contact-profile:hover{background:rgba(139,92,246,.16);border-color:rgba(154,121,255,.35)}
.chat-header-person{display:flex;align-items:center;gap:10px;min-width:0;padding:0;border:0;background:none;color:inherit;text-align:left;cursor:pointer}
.chat-header-person>span:last-child{display:grid;gap:2px;min-width:0}
.chat-header-person b{font-size:10px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat-header-person small{font-size:8px;color:var(--muted)}
.chat-header-person:hover b{color:#cfc2ff}
.people-search-panel{margin-bottom:14px;padding:16px 18px;animation:messagePanelIn .35s both}
.people-search-panel form>label{display:block;margin-bottom:8px;color:var(--text);font-size:10px;font-weight:700}
.people-search-row{display:flex;gap:9px}
.people-search-row .field{flex:1;min-width:0;min-height:40px;font-size:11px}
.people-search-result{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:12px;padding:11px;border:1px solid rgba(139,92,246,.2);border-radius:12px;background:linear-gradient(110deg,rgba(139,92,246,.09),rgba(59,130,246,.05));animation:messagePanelIn .22s ease both}
.people-search-result>span:nth-child(2){display:grid;gap:2px;flex:1;min-width:100px}
.people-search-result>span:nth-child(2) b{font-size:10px}
.people-search-result>span:nth-child(2) small,.people-search-message{font-size:9px;color:var(--muted)}
.people-search-message{margin-top:9px;padding:9px 10px;border-radius:9px;background:rgba(148,163,184,.06)}
.people-search-message.error{color:#ff9aa4;background:rgba(255,113,129,.09)}
.messages-layout{display:grid;grid-template-columns:minmax(240px,.72fr) minmax(0,1.45fr);gap:13px;align-items:stretch}
.direct-thread-panel,.direct-conversation-panel{min-width:0;min-height:400px;animation:messagePanelIn .4s both}
.direct-conversation-panel{display:flex;flex-direction:column;padding:0;overflow:hidden}
.direct-panel-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;margin-bottom:12px}
.direct-thread-list{display:grid;gap:7px}
.direct-thread{display:flex;align-items:center;gap:9px;width:100%;min-width:0;padding:9px;border:1px solid transparent;border-radius:11px;background:transparent;color:var(--text);text-align:left;cursor:pointer;transition:background .18s,border-color .18s,transform .18s}
.direct-thread:hover{background:rgba(139,92,246,.09);transform:translateY(-1px)}
.direct-thread.active{background:rgba(139,92,246,.14);border-color:rgba(154,121,255,.26)}
.direct-avatar{width:34px;height:34px;display:grid;place-items:center;flex:none;border-radius:12px;background:linear-gradient(140deg,#a28aff,#4f9de9);color:#fff;font-size:11px;font-weight:800;box-shadow:0 6px 14px rgba(105,91,202,.16)}
.direct-avatar.large{width:40px;height:40px;border-radius:14px}
.direct-thread-copy{display:grid;gap:3px;flex:1;min-width:0}
.direct-thread-copy b{font-size:10px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.direct-thread-copy small{font-size:8px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.direct-thread-time{font-size:7px;color:var(--faint);white-space:nowrap}
.direct-thread-empty,.direct-empty-state{display:grid;place-content:center;justify-items:center;min-height:250px;padding:20px 10px;text-align:center;color:var(--muted)}
.direct-thread-empty>span,.direct-empty-state>span{width:39px;height:39px;display:grid;place-items:center;margin-bottom:9px;border-radius:13px;background:rgba(139,92,246,.13);color:#c5b4ff;font-size:17px}
.direct-thread-empty b,.direct-empty-state b{color:var(--text);font-size:10px}
.direct-thread-empty small,.direct-empty-state p{margin:4px 0 0;color:var(--muted);font-size:9px}
.direct-conversation-head{display:flex;align-items:center;gap:10px;padding:12px 15px;border-bottom:1px solid var(--line);background:rgba(148,163,184,.035)}
.direct-person-link{display:flex;align-items:center;gap:10px;min-width:0;padding:0;border:0;background:none;color:var(--text);text-align:left;cursor:pointer}
.direct-person-link>span:last-child{display:grid;gap:2px}
.direct-person-link b{font-size:10px}
.direct-person-link small{font-size:8px;color:var(--muted)}
.direct-person-link:hover b{color:#cfc2ff}
.direct-conversation-head .chat-privacy-tag{margin-left:auto}
.direct-message-feed{display:flex;flex:1;flex-direction:column;gap:9px;min-height:260px;max-height:440px;overflow:auto;padding:14px;scroll-behavior:smooth;overscroll-behavior:contain}
.direct-compose{padding:11px 13px;border-top:1px solid var(--line);background:rgba(148,163,184,.025)}
.direct-compose textarea{display:block;width:100%;min-height:49px;max-height:140px;resize:vertical;padding:9px 10px;border:1px solid var(--line-strong);border-radius:10px;background:rgba(5,12,24,.35);color:var(--text);font-size:10px;outline:none}
.direct-compose textarea:focus{border-color:rgba(154,121,255,.7);box-shadow:0 0 0 3px rgba(139,92,246,.12)}
.direct-compose-foot{display:flex;align-items:center;justify-content:space-between;gap:9px;margin-top:7px}
.direct-compose-foot small{font-size:8px;color:var(--muted)}
.direct-privacy-note{margin:11px 2px 0;color:var(--faint);font-size:8px}
.admin-stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:14px}
.admin-stat-card{position:relative;display:grid;gap:4px;min-height:108px;padding:14px;border:1px solid var(--line);border-radius:15px;background:linear-gradient(145deg,rgba(24,38,61,.94),rgba(17,28,47,.98));overflow:hidden;animation:messagePanelIn .38s both;transition:transform .2s,border-color .2s}
.admin-stat-card:hover{transform:translateY(-2px);border-color:rgba(154,121,255,.25)}
.admin-stat-card:nth-child(2){animation-delay:.03s}.admin-stat-card:nth-child(3){animation-delay:.06s}.admin-stat-card:nth-child(4){animation-delay:.09s}
.admin-stat-orb{position:absolute;right:12px;top:10px;width:26px;height:26px;display:grid;place-items:center;border-radius:9px;background:rgba(139,92,246,.14);color:#c1b1ff}
.admin-stat-card>small{color:var(--muted);font-size:9px}
.admin-stat-card strong{font-size:23px;letter-spacing:-.7px;line-height:1.15}
.admin-stat-card>span:last-child{color:var(--faint);font-size:8px}
.admin-users-panel,.admin-activity-panel{margin-bottom:13px;min-width:0}
.admin-count-pill{flex:none;padding:5px 8px;border-radius:20px;background:rgba(139,92,246,.12);color:#c4b4ff;font-size:8px}
.admin-toolbar{justify-content:space-between}
.admin-toolbar .search-field{flex:1;max-width:390px;min-height:36px}
.admin-table-wrap{width:100%;overflow:auto;border:1px solid var(--line);border-radius:12px}
.admin-table{width:100%;border-collapse:collapse;min-width:680px;text-align:left}
.admin-table th{padding:9px 10px;background:rgba(148,163,184,.045);color:var(--muted);font-size:8px;font-weight:700;letter-spacing:.25px}
.admin-table td{padding:9px 10px;border-top:1px solid var(--line);font-size:8px;vertical-align:middle}
.admin-table td:first-child{min-width:145px}
.admin-table td:first-child b,.admin-table td:first-child small{display:block}
.admin-table td:first-child b{font-size:9px}
.admin-table td:first-child small,.admin-lock-hint{margin-top:3px;color:var(--muted);font-size:7px}
.admin-role-select{min-width:90px;min-height:30px;padding:5px 7px;font-size:8px}
.admin-row-actions{display:flex;align-items:center;gap:5px}
.admin-row-actions .btn{white-space:nowrap}
.admin-row-actions .btn:disabled{opacity:.4;cursor:not-allowed}
.admin-status{display:inline-flex;align-items:center;gap:6px;font-size:8px}
.admin-status i{width:6px;height:6px;border-radius:50%;background:var(--green)}
.admin-status.paused{color:var(--red)}.admin-status.paused i{background:var(--red)}
.admin-activity-list{display:grid;gap:0}
.admin-activity-row{display:grid;grid-template-columns:30px minmax(0,1fr) auto;align-items:start;gap:9px;padding:10px 0;border-bottom:1px solid var(--line);animation:messagePanelIn .25s both}
.admin-activity-row:last-child{border-bottom:0}
.admin-activity-mark{width:27px;height:27px;display:grid;place-items:center;border-radius:9px;background:rgba(139,92,246,.13);color:#c2b2ff}
.admin-activity-row>div{min-width:0}
.admin-activity-row>div>b{margin-right:7px;font-size:9px}
.admin-activity-row .role-tag{padding:3px 6px;font-size:6px}
.role-tag.admin{background:#fff3d6;color:#a7771c}
.admin-activity-row p{margin:4px 0 0;color:var(--muted);font-size:8px;overflow-wrap:anywhere}
.admin-activity-row time{color:var(--faint);font-size:7px;white-space:nowrap}
.admin-privacy-note{margin:11px 0 0;color:var(--faint);font-size:8px}
.admin-empty{padding:20px;text-align:center;color:var(--muted);font-size:9px}
.admin-error-panel{padding:24px}.admin-error-panel>b{font-size:12px}.admin-error-panel>p{color:var(--muted);font-size:9px}
.light-theme .direct-thread:hover{background:rgba(116,94,224,.08)}
.light-theme .direct-thread.active{background:rgba(116,94,224,.11);border-color:rgba(116,94,224,.19)}
.light-theme .direct-thread-copy small,.light-theme .direct-person-link small{color:#74819a}
.light-theme .direct-person-link,.light-theme .chat-contact-open{color:#273550}
.light-theme .direct-conversation-head,.light-theme .direct-compose{background:#fbfcff}
.light-theme .direct-compose textarea{background:#fff;color:#273550;border-color:#dfe4ef}
.light-theme .admin-stat-card{background:linear-gradient(145deg,#fff,#f8f9ff)}
.light-theme .admin-table th{background:#f6f7fc}
.light-theme .admin-table td{color:#35425c}
.light-theme .admin-table td:first-child small,.light-theme .admin-lock-hint{color:#75829a}
.light-theme .people-search-result{background:linear-gradient(110deg,#f4f1ff,#f1f8ff)}
.light-theme .chat-contact-profile{color:#6652c5}
@keyframes messagePanelIn{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:980px){.admin-stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.messages-layout{grid-template-columns:minmax(205px,.7fr) minmax(0,1.3fr)}}
@media(max-width:760px){.auth-role-picker button{gap:4px;padding:0 4px;font-size:9px}.messages-layout{grid-template-columns:minmax(0,1fr)}.direct-thread-panel{min-height:180px}.direct-thread-panel .direct-thread-list{grid-template-columns:repeat(2,minmax(0,1fr))}.direct-conversation-panel{min-height:360px}.direct-message-feed{min-height:200px;max-height:330px}.people-search-row{align-items:stretch}.people-search-row .btn{padding:8px 10px}.admin-stats-grid{gap:8px}.admin-stat-card{min-height:96px;padding:11px}.admin-table-wrap{margin:0 -3px;width:calc(100% + 6px)}.admin-toolbar{align-items:flex-start;flex-direction:column}.admin-toolbar .search-field{width:100%;max-width:none}.admin-activity-row{grid-template-columns:28px minmax(0,1fr)}.admin-activity-row time{grid-column:2}.chat-contact{padding:3px}.chat-contact-profile{padding:5px 6px}.chat-contact-open{gap:6px;padding:4px}.chat-contact-copy b{font-size:9px}}
@media(prefers-reduced-motion:reduce){.people-search-panel,.people-search-result,.admin-stat-card,.admin-activity-row,.direct-thread-panel,.direct-conversation-panel,.chat-contact-profile{animation:none!important;transition:none!important}}

.pwa-install-button{flex:none;color:#a5b3c8;cursor:pointer;animation:pwaInstallIn .25s ease both}
.pwa-install-button:hover{transform:translateY(-1px)}
.pwa-install-button:focus-visible,.pwa-help-close:focus-visible,.pwa-help-done:focus-visible{outline:3px solid rgba(194,174,255,.8);outline-offset:3px}
.pwa-install-button svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.pwa-install-button[hidden]{display:none!important}
@keyframes pwaInstallIn{from{opacity:0;transform:translateY(9px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}
.pwa-help-dialog{position:fixed;inset:0;margin:auto;width:min(430px,calc(100% - 28px));max-width:none;max-height:min(90dvh,620px);overflow:auto;padding:27px;border:1px solid var(--line-strong);border-radius:22px;background:linear-gradient(145deg,#17243a,#101a2c);color:var(--text);box-shadow:0 28px 90px rgba(0,0,0,.42)}
.pwa-help-dialog::backdrop{background:rgba(4,8,17,.68);backdrop-filter:blur(8px)}
.pwa-help-mark{width:39px;height:39px;display:grid;place-items:center;margin-bottom:18px;border-radius:13px;background:rgba(153,121,255,.16);color:#c7b6ff;font-size:20px}
.pwa-help-close{position:absolute;right:16px;top:15px;width:32px;height:32px;border:1px solid var(--line);border-radius:10px;background:rgba(148,163,184,.06);color:var(--muted);font-size:21px;cursor:pointer}
.pwa-help-dialog .eyebrow{margin-bottom:7px}
.pwa-help-dialog h2{margin:0;font-size:22px;letter-spacing:-.55px}
.pwa-help-intro{margin:8px 0 19px;color:var(--muted);font-size:12px;line-height:1.65}
.pwa-install-steps{display:grid;gap:10px;margin:0;padding:0;list-style:none;counter-reset:install-step}
.pwa-install-steps li{position:relative;min-height:43px;padding:11px 12px 11px 43px;border:1px solid var(--line);border-radius:12px;background:rgba(148,163,184,.045);color:#dce4f1;font-size:11px;line-height:1.5;counter-increment:install-step}
.pwa-install-steps li::before{content:counter(install-step);position:absolute;left:12px;top:10px;width:20px;height:20px;display:grid;place-items:center;border-radius:7px;background:rgba(153,121,255,.16);color:#c8b8ff;font-size:10px;font-weight:750}
.pwa-help-note{margin:16px 0;color:var(--faint);font-size:9px;line-height:1.55}
.pwa-help-done{width:100%;min-height:40px}
.light-theme .pwa-help-dialog{background:linear-gradient(145deg,#fff,#f5f6ff)}
.light-theme .pwa-install-steps li{background:#f8f9fe;color:#33415b}
@media(max-width:760px){.pwa-help-dialog{padding:23px 19px}}
@media(prefers-reduced-motion:reduce){.pwa-install-button{animation:none!important;transition:none!important}}
.oauth-divider{display:flex;align-items:center;gap:10px;margin:16px 0 10px;color:#8b95a9;font-size:9px}.oauth-divider::before,.oauth-divider::after{content:"";height:1px;flex:1;background:#e8ebf2}.oauth-login-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.oauth-login-button{min-height:39px;display:flex;align-items:center;justify-content:center;gap:7px;border:1px solid #e1e5ee;border-radius:10px;background:#fff;color:#2a3651;text-decoration:none;font-size:10px;font-weight:700;transition:transform .18s,border-color .18s,box-shadow .18s}.oauth-login-button:hover{transform:translateY(-2px);border-color:#bdb0fb;box-shadow:0 8px 18px rgba(72,82,120,.09)}.oauth-login-button:focus-visible{outline:3px solid rgba(124,96,239,.3);outline-offset:2px}.oauth-logo{width:19px;height:19px;display:grid;place-items:center;border-radius:6px;font-size:10px;font-weight:800}.oauth-logo.google{color:#4285f4;background:#f1f5ff}.oauth-logo.github{color:#fff;background:#242b39;font-size:7px;letter-spacing:-.4px}.oauth-logo.telegram{color:#188fc5;background:#e8f7ff}.oauth-login-note{margin:9px 0 0;text-align:center;color:#8b95a9;font-size:8px;line-height:1.5}.oauth-settings-card{margin-top:17px;padding:14px 15px;border:1px solid var(--line);border-radius:13px;background:var(--card-soft)}.oauth-settings-card h3{margin:0 0 3px;color:var(--text);font-size:11px}.oauth-settings-card>p{margin:0 0 10px;color:var(--muted);font-size:8px;line-height:1.5}.oauth-provider-list{display:grid;gap:6px}.oauth-provider-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 10px;border:1px solid var(--line);border-radius:10px;background:var(--card)}.oauth-provider-row>span:first-child{display:grid;gap:1px}.oauth-provider-row b{color:var(--text);font-size:9px}.oauth-provider-row small{color:var(--muted);font-size:8px}.oauth-connected{display:flex;align-items:center;gap:5px;color:var(--green);font-size:8px;font-weight:700}.oauth-connected i{width:6px;height:6px;border-radius:50%;background:var(--green)}.oauth-provider-row .btn{min-height:29px;padding:0 10px;font-size:8px}.oauth-provider-row .btn:disabled{opacity:.55;cursor:wait}
@media(max-width:540px){.oauth-login-grid{gap:5px}.oauth-login-button{gap:4px;font-size:9px}.oauth-logo{width:17px;height:17px}.oauth-settings-card{padding:12px}}
.oauth-logo{width:20px;height:20px;border-radius:0;background:transparent!important}.oauth-logo svg{display:block;width:100%;height:100%}.oauth-logo.google{color:initial}.oauth-logo.github{color:#24292f;font-size:initial}.oauth-logo.telegram{color:#229ed9}

/* A single Angkor Wat image anchors the visual identity on every screen. */
body{position:relative;isolation:isolate;background:transparent}
body::before{content:"";position:fixed;inset:0;z-index:-1;background:linear-gradient(135deg,rgba(7,13,25,.82),rgba(13,22,37,.72)),url("../assets/images/angkor-wat-dawn.png") center 48%/cover no-repeat;pointer-events:none}
body.light-theme{background:transparent}
body.light-theme::before{background-image:linear-gradient(135deg,rgba(242,246,255,.82),rgba(246,249,255,.77)),url("../assets/images/angkor-wat-dawn.png");background-position:center 48%;background-size:cover;background-repeat:no-repeat}
body.light-theme{--card:rgba(255,255,255,.9);--card-2:rgba(255,255,255,.86);--card-soft:rgba(255,255,255,.82)}
.auth-root,.auth-screen{background:transparent}
.auth-visual{background:linear-gradient(140deg,rgba(34,39,85,.48),rgba(24,91,113,.35)),url("../assets/images/angkor-wat-dawn.png") center/cover no-repeat}
.sidebar{background:rgba(11,20,35,.88);backdrop-filter:blur(18px)}
.topbar{background:rgba(11,17,32,.72)}
.light-theme .sidebar{background:rgba(255,255,255,.86);backdrop-filter:blur(18px)}
.light-theme .topbar{background:rgba(248,250,255,.76)}
.studytrack-icon{display:inline-flex;width:1em;height:1em;align-items:center;justify-content:center;flex:0 0 auto;vertical-align:-.13em;line-height:1}
.studytrack-icon svg{display:block;width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.nav-icon .studytrack-icon,.stat-icon .studytrack-icon,.empty-icon .studytrack-icon,.icon-btn .studytrack-icon,.card-menu .studytrack-icon{width:1.12em;height:1.12em}
.hero-spark .studytrack-icon,.eyebrow-spark .studytrack-icon{width:1em;height:1em}
@media(max-width:760px){body::before{background-position:58% center}body.light-theme::before{background-position:58% center}}

/* Responsive form sizing and touch-friendly controls across StudyTrack. */
.form-group>.field,.form-group>.select-field,.form-group>textarea{width:100%;min-width:0}
.auth-form,.auth-form-inner{width:100%;min-width:0}
.auth-form .form-group{min-width:0}
.auth-form .field{width:100%;min-width:0}
.auth-role-picker{width:100%;grid-template-columns:repeat(3,minmax(0,1fr))}
.auth-role-picker button{min-width:0;white-space:nowrap}
.auth-submit{width:100%}
.auth-error{min-width:0;overflow-wrap:anywhere}
img,svg,canvas{max-width:100%}
@media(max-width:760px){
  html,body{max-width:100%;overflow-x:hidden}
  .auth-screen{min-height:100svh;min-height:100dvh;align-items:start;padding:14px 12px max(20px,env(safe-area-inset-bottom));}
  .auth-panel{width:min(560px,100%);min-width:0;min-height:0;grid-template-columns:minmax(0,1fr);}
  .auth-form-panel{width:100%;min-width:0;padding:28px 22px 24px;}
  .auth-form-inner{width:100%;max-width:430px;}
  .auth-welcome h2{font-size:clamp(24px,7vw,29px);line-height:1.12;}
  .auth-welcome p{font-size:12px;line-height:1.55;margin-bottom:17px;}
  .auth-role-picker{gap:4px;padding:4px;margin-bottom:17px;}
  .auth-role-picker button{min-height:44px;gap:5px;padding:0 5px;font-size:11px;}
  .auth-role-picker button .studytrack-icon{width:15px;height:15px;}
  .auth-form{gap:13px;}
  .auth-form .form-group{gap:6px;}
  .auth-form .form-group label{font-size:12px;}
  .auth-form .field{height:48px;min-height:48px;padding:11px 13px;font-size:16px;border-radius:12px;}
  .auth-form .help-text,.auth-security-note{font-size:10px;line-height:1.5;}
  .auth-submit{min-height:50px;font-size:13px;}
  .auth-switch{font-size:11px;}
  .oauth-login-grid{gap:6px;}
  .oauth-login-button{min-height:43px;gap:5px;font-size:10px;}
  .oauth-login-note{font-size:9px;line-height:1.5;}
  .page-view{min-width:0;width:100%;padding:19px 13px 28px;}
  .topbar{padding-left:12px;padding-right:12px;}
  .page-heading,.panel-head,.section-heading{min-width:0;}
  .grid-2,.grid-2.equal,.timer-layout,.planner-layout,.settings-layout,.messages-layout,.class-chat-layout{grid-template-columns:minmax(0,1fr);}
  .section-grid,.note-grid,.achievement-grid,.classroom-grid,.assignment-grid{grid-template-columns:minmax(0,1fr);}
  .table-wrap,.admin-table-wrap,.calendar-wrap{max-width:100%;overflow-x:auto;}
  .modal-backdrop{align-items:flex-start;padding:10px;overflow-y:auto;}
  .modal{width:min(560px,100%);max-height:calc(100dvh - 20px);}
}
@media(max-width:420px){
  .auth-screen{padding-left:9px;padding-right:9px;}
  .auth-panel{border-radius:19px;}
  .auth-form-panel{padding:24px 17px 21px;}
  .auth-role-picker button{gap:3px;padding:0 3px;font-size:10px;}
  .auth-role-picker button .studytrack-icon{width:14px;height:14px;}
  .oauth-login-grid{gap:4px;}
  .oauth-login-button{gap:4px;padding:0 4px;font-size:9px;}
  .oauth-logo{width:17px;height:17px;}
  .page-view{padding-left:11px;padding-right:11px;}
}

/* Admin-selected global backgrounds, including animated color light. */
body[data-admin-background="aurora"]::before{background-image:radial-gradient(ellipse at 18% 22%,rgba(87,91,220,.42),transparent 38%),radial-gradient(ellipse at 80% 15%,rgba(30,191,195,.30),transparent 36%),radial-gradient(ellipse at 65% 84%,rgba(149,69,206,.28),transparent 42%),linear-gradient(135deg,#091222,#101b31 50%,#0a1625);background-size:180% 180%;animation:studytrackAurora 22s ease-in-out infinite alternate}
body.light-theme[data-admin-background="aurora"]::before{background-image:radial-gradient(ellipse at 18% 22%,rgba(139,119,255,.20),transparent 38%),radial-gradient(ellipse at 80% 15%,rgba(39,183,189,.17),transparent 36%),radial-gradient(ellipse at 65% 84%,rgba(188,112,220,.16),transparent 42%),linear-gradient(135deg,#f2f5ff,#f6fbff 50%,#eff8fa);background-size:180% 180%;animation:studytrackAurora 22s ease-in-out infinite alternate}
body[data-admin-background="custom"]::before{background-image:linear-gradient(135deg,rgba(7,13,25,.78),rgba(13,22,37,.70)),var(--studytrack-custom-background);background-position:center;background-size:cover;background-repeat:no-repeat;animation:none}
body.light-theme[data-admin-background="custom"]::before{background-image:linear-gradient(135deg,rgba(242,246,255,.82),rgba(246,249,255,.76)),var(--studytrack-custom-background);background-position:center;background-size:cover;background-repeat:no-repeat;animation:none}
@keyframes studytrackAurora{from{background-position:0% 30%}to{background-position:100% 70%}}
@media(prefers-reduced-motion:reduce){body[data-admin-background="aurora"]::before,body.light-theme[data-admin-background="aurora"]::before{animation:none!important}}

/* Language controls stay compact in the top bar and on the sign-in screen. */
.language-control{display:inline-flex;align-items:center;gap:5px;min-height:31px;padding:0 8px;border:1px solid var(--line);border-radius:10px;background:rgba(148,163,184,.055);color:var(--muted)}
.language-control-icon{font-size:14px;line-height:1;color:#a997ff}
.language-switch{max-width:92px;border:0;outline:0;background:transparent;color:var(--text);font-size:10px;font-weight:650;cursor:pointer}
.language-switch option{background:#142036;color:#f4f7fd}
.auth-language-control{margin:0 0 13px;min-height:35px}
.auth-language-control .language-switch{font-size:11px}
@media(max-width:760px){.topbar-actions{gap:7px}.topbar-actions .local-indicator{max-width:36px;overflow:hidden;padding:6px}.topbar-actions .local-indicator span{display:none}.language-control{min-height:32px;padding:0 6px}.language-switch{max-width:67px;font-size:9px}.auth-language-control{margin-bottom:13px}}

/* Profile editor uses a cover photo and overlapping round avatar like a social profile. */
.facebook-profile-editor{overflow:hidden;border-color:rgba(148,163,184,.18);background:linear-gradient(145deg,rgba(20,32,52,.97),rgba(16,27,45,.98));box-shadow:0 14px 32px rgba(0,0,0,.13)}
.facebook-profile-cover{height:198px;background:radial-gradient(ellipse at 78% 12%,rgba(196,181,253,.82),transparent 35%),radial-gradient(ellipse at 12% 93%,rgba(73,192,220,.66),transparent 45%),linear-gradient(120deg,#6257d6,#6e8de0 58%,#50a7bd)}
.facebook-profile-cover span{display:flex;align-items:center;gap:7px;padding:8px 11px;margin:0 0 12px 15px;border:1px solid rgba(255,255,255,.2);border-radius:9px;background:rgba(7,13,25,.48);backdrop-filter:blur(10px);font-size:8px}
.facebook-profile-cover span .studytrack-icon{width:14px;height:14px}
.facebook-profile-bar{position:relative;display:flex;align-items:center;gap:14px;min-height:78px;padding:0 17px 10px;border-bottom:1px solid var(--line)}
.facebook-profile-bar .profile-photo-preview{position:relative;z-index:2;width:94px;height:94px;margin-top:-46px;border:5px solid #142036;border-radius:50%;font-size:27px}
.facebook-profile-meta{display:grid;gap:3px;min-width:0;flex:1}
.facebook-profile-meta b{font-size:15px;letter-spacing:-.3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.facebook-profile-meta small{font-size:9px;color:var(--muted)}
.facebook-profile-bar .profile-photo-actions{justify-content:flex-end}
.facebook-profile-bar .profile-photo-actions .btn{white-space:nowrap}
.facebook-profile-editor .profile-cover-actions{padding:11px 16px 13px}
.facebook-profile-editor .profile-cover-actions small{font-size:9px;line-height:1.5}
.profile-cover-actions .studytrack-icon,.profile-photo-actions .studytrack-icon{width:13px;height:13px}
.light-theme .facebook-profile-editor{background:linear-gradient(145deg,#fff,#f5f7ff);border-color:rgba(66,83,123,.13)}
.light-theme .facebook-profile-bar .profile-photo-preview{border-color:#fff}
@media(max-width:600px){.facebook-profile-cover{height:145px}.facebook-profile-bar{min-height:74px;gap:9px;padding:0 11px 10px;flex-wrap:wrap}.facebook-profile-bar .profile-photo-preview{width:74px;height:74px;margin-top:-34px;border-width:4px;font-size:23px}.facebook-profile-meta{min-width:calc(100% - 100px);padding-top:1px}.facebook-profile-meta b{font-size:13px}.facebook-profile-bar .profile-photo-actions{width:100%;justify-content:flex-start;margin-top:-1px}.facebook-profile-editor .profile-cover-actions{padding:10px 12px}.facebook-profile-editor .profile-cover-actions .btn{min-height:36px}}

/* Clear, context-specific icons and mobile-friendly class join-code copying. */
.empty-icon .studytrack-icon,.quiz-empty-icon .studytrack-icon{width:1.25em;height:1.25em}
.quiz-empty-icon .studytrack-icon svg{stroke-width:1.85}
.class-empty .empty-icon{width:40px;height:40px;margin:0 auto 9px;border-radius:13px;background:rgba(139,92,246,.14);color:#c4b2ff;display:grid;place-items:center}
.class-empty .empty-icon .studytrack-icon{width:20px;height:20px}
.admin-stat-orb .studytrack-icon{width:17px;height:17px}
.admin-activity-mark .studytrack-icon{width:16px;height:16px}
.admin-background-panel{margin-bottom:14px}
.admin-appearance-panel{margin-bottom:14px}
.admin-background-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.admin-background-option{position:relative;display:flex;align-items:center;gap:11px;min-width:0;min-height:68px;padding:11px 34px 11px 12px;border:1px solid var(--line-strong);border-radius:13px;background:rgba(148,163,184,.04);color:var(--text);text-align:left;cursor:pointer;transition:border-color .18s,background .18s,transform .18s}
.admin-background-option:hover{transform:translateY(-1px);border-color:rgba(164,139,255,.48);background:rgba(139,92,246,.07)}
.admin-background-option.selected{border-color:rgba(164,139,255,.58);background:linear-gradient(120deg,rgba(139,92,246,.15),rgba(59,130,246,.06));box-shadow:inset 0 0 0 1px rgba(164,139,255,.15)}
.admin-background-option>.studytrack-icon{width:22px;height:22px;padding:4px;border-radius:8px;background:rgba(139,92,246,.15);color:#c4b2ff;flex:none}
.admin-background-option>span:not(.studytrack-icon){display:grid;gap:3px;min-width:0}
.admin-background-option b{font-size:10px}
.admin-background-option small{font-size:8px;line-height:1.45;color:var(--muted)}
.admin-background-option>i{position:absolute;right:12px;top:50%;display:grid;place-items:center;width:18px;height:18px;border:1px solid var(--line-strong);border-radius:50%;color:transparent;font-size:10px;font-style:normal;transform:translateY(-50%)}
.admin-background-option.selected>i{border-color:var(--primary);background:var(--primary);color:white}
.admin-background-upload{cursor:pointer}
.admin-background-upload input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}
.admin-background-note{margin:11px 0 0;color:var(--muted);font-size:8px;line-height:1.5}
.join-code-box .btn,.detail-code .btn{min-height:34px;white-space:nowrap}
.copy-complete{border-color:rgba(55,211,154,.35)!important;color:var(--green)!important;background:rgba(55,211,154,.10)!important}
@media(max-width:760px){.admin-background-options{grid-template-columns:1fr}.admin-background-option{min-height:58px}.join-code-box{flex-wrap:wrap}.join-code-box>span{width:100%}.join-code-box>b{flex:1;overflow-wrap:anywhere}.join-code-box .btn{margin-left:0}.facebook-profile-bar .profile-photo-actions .btn{min-height:35px}}
.auth-screen{background:transparent}
.auth-visual{background:linear-gradient(140deg,rgba(34,39,85,.54),rgba(24,91,113,.38)),transparent}
.language-control-icon svg{display:block;width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.profile-modal-avatar{border-radius:50%}
@media(max-width:760px){.profile-modal-avatar{border-radius:50%}}


/* Clear account header, accessible language control, and consistent SVG affordances. */
.auth-head-row{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:18px}
.auth-head-row .auth-welcome{flex:1;min-width:0;margin:0}
.auth-head-row .auth-welcome p{margin-bottom:0}
.auth-language-control{flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;min-height:40px;margin:0;padding:0 10px;border:1px solid rgba(105,83,210,.2);border-radius:12px;background:#f5f3ff;color:#5343a5;box-shadow:0 5px 14px rgba(86,67,163,.06);transition:background .2s,border-color .2s,box-shadow .2s,transform .2s}
.auth-language-control:hover{background:#efebff;border-color:rgba(105,83,210,.38);transform:translateY(-1px)}
.auth-language-control:focus-within{border-color:#8d76f2;box-shadow:0 0 0 3px rgba(126,99,235,.16)}
.auth-language-control .language-control-icon{display:flex;color:#725de0}
.auth-language-control .language-control-icon svg{display:block;width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.auth-language-control .language-switch{width:66px;max-width:none;appearance:none;padding:0;color:#43358f;font-size:11px;font-weight:700;line-height:1.2}
.auth-language-control .language-switch option{color:#1d2944;background:#fff}
.language-chevron{display:flex;width:12px;height:12px;color:#6d5bc1;pointer-events:none}
.language-chevron svg{display:block;width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.auth-role-picker{grid-template-columns:repeat(3,minmax(0,1fr));margin-bottom:18px}
.auth-role-picker .studytrack-icon{width:15px;height:15px}
.auth-role-picker button{gap:8px;min-width:0}
.auth-role-picker button .studytrack-icon svg{stroke-width:1.9}
.stat-card,.subject-card,.note-card,.achievement-card{transition:transform .22s,border-color .22s,box-shadow .22s}
.auth-role-picker .studytrack-icon,.btn .studytrack-icon,.icon-btn .studytrack-icon,.nav-item .studytrack-icon{transition:transform .24s cubic-bezier(.2,.8,.2,1),filter .24s}
.auth-role-picker button:hover .studytrack-icon,.btn:hover .studytrack-icon,.icon-btn:hover .studytrack-icon,.nav-item:hover .studytrack-icon{transform:translateY(-1px) scale(1.06);filter:drop-shadow(0 2px 3px rgba(116,90,220,.2))}
.auth-role-picker button.active .studytrack-icon{animation:roleIconIn .32s cubic-bezier(.2,.8,.2,1) both}
.stat-card:hover,.subject-card:hover,.note-card:hover,.achievement-card:hover{transform:translateY(-2px);border-color:rgba(164,139,255,.25);box-shadow:0 14px 34px rgba(0,0,0,.12)}
.auth-head-row,.auth-language-control{animation:authItemIn .48s .04s both}
.studytrack-icon{filter:drop-shadow(0 1px 1px rgba(20,30,50,.04))}
.studytrack-icon svg{overflow:visible}
@keyframes roleIconIn{from{opacity:.5;transform:scale(.78) rotate(-8deg)}to{opacity:1;transform:scale(1) rotate(0)}}
@media(max-width:520px){.auth-form-panel{padding:26px 18px}.auth-head-row{gap:8px;align-items:flex-start}.auth-head-row .auth-welcome h2{font-size:22px;letter-spacing:-.7px}.auth-head-row .auth-welcome p{max-width:220px}.auth-language-control{min-height:36px;gap:5px;padding:0 7px;border-radius:10px}.auth-language-control .language-switch{width:58px;font-size:10px}.auth-language-control .language-control-icon svg{width:14px;height:14px}.language-chevron{width:10px;height:10px}.auth-role-picker{gap:3px;padding:4px}.auth-role-picker button{gap:5px;min-height:40px;font-size:9px}.auth-role-picker .studytrack-icon{width:13px;height:13px}}
@media(max-width:360px){.auth-head-row{display:grid;grid-template-columns:minmax(0,1fr) auto}.auth-head-row .auth-welcome h2{font-size:20px}.auth-role-picker button{font-size:8px;gap:4px}}

/* Native select popups look different across browsers, so language choice uses a compact custom menu. */
.language-picker.language-control{position:relative;display:inline-flex;align-items:center;gap:0;min-height:0;padding:0;border:0;background:transparent;color:inherit;overflow:visible}
.language-picker-trigger{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:36px;padding:0 10px;border:1px solid rgba(156,174,201,.2);border-radius:12px;background:rgba(22,34,55,.84);color:#e4ebf6;font-size:11px;font-weight:700;cursor:pointer;box-shadow:0 5px 16px rgba(0,0,0,.13);transition:background .18s,border-color .18s,box-shadow .18s,transform .18s}
.language-picker-trigger:hover,.language-picker-trigger[aria-expanded="true"]{background:#202f4b;border-color:rgba(167,139,250,.55);box-shadow:0 8px 22px rgba(0,0,0,.2)}
.language-picker-trigger:active{transform:scale(.98)}
.language-picker-trigger:focus-visible,.language-menu button:focus-visible{outline:3px solid rgba(167,139,250,.45);outline-offset:2px}
.language-picker-trigger .language-control-icon{display:inline-flex;color:#b4a0ff}
.language-picker-trigger .language-control-icon svg{display:block;width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.language-current{min-width:40px;text-align:left;white-space:nowrap}
.language-chevron{width:13px;height:13px;display:inline-flex;color:#aebbd0;transition:transform .18s}
.language-picker-trigger[aria-expanded="true"] .language-chevron{transform:rotate(180deg)}
.language-chevron svg{display:block;width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.language-menu{position:absolute;top:calc(100% + 8px);right:0;z-index:120;display:grid;gap:3px;width:154px;padding:5px;border:1px solid rgba(148,163,184,.2);border-radius:13px;background:#111c30;color:#e7edf7;box-shadow:0 16px 38px rgba(0,0,0,.34);animation:languageMenuIn .16s ease-out both}
.language-menu[hidden]{display:none!important}
.language-menu button{width:100%;min-height:37px;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:0 10px;border:0;border-radius:9px;background:transparent;color:#bac6d9;text-align:left;font-size:11px;font-weight:600;cursor:pointer;transition:background .16s,color .16s}
.language-menu button:hover,.language-menu button.selected{background:rgba(139,116,255,.16);color:#fff}
.language-menu button svg{width:15px;height:15px;fill:none;stroke:#b9a4ff;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;opacity:0}
.language-menu button[aria-checked="true"] svg{opacity:1}
.topbar .language-picker-trigger{min-height:33px;gap:6px;padding:0 8px;border-radius:10px;background:rgba(18,30,49,.62);box-shadow:none;font-size:10px}
.topbar .language-current{min-width:38px}
.auth-language-control .language-picker-trigger{min-height:40px;gap:8px;padding:0 11px;border-color:rgba(167,139,250,.28);border-radius:13px;background:linear-gradient(145deg,rgba(34,47,74,.96),rgba(25,37,61,.96));color:#f0edff;box-shadow:0 8px 22px rgba(0,0,0,.18)}
.auth-language-control .language-picker-trigger:hover,.auth-language-control .language-picker-trigger[aria-expanded="true"]{background:linear-gradient(145deg,#334468,#263653);border-color:rgba(184,163,255,.68)}
.auth-language-control .language-current{min-width:45px}
@keyframes languageMenuIn{from{opacity:0;transform:translateY(-4px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}

/* Dark is the default account-screen theme; light remains available as a saved preference. */
body:not(.light-theme) .auth-panel{background:linear-gradient(145deg,rgba(17,29,48,.98),rgba(12,21,36,.98));border-color:rgba(148,163,184,.2);box-shadow:0 28px 82px rgba(0,0,0,.34)}
body:not(.light-theme) .auth-form-panel{background:linear-gradient(155deg,rgba(17,29,48,.98),rgba(13,22,37,.98))}
body:not(.light-theme) .auth-welcome h2{color:#f3f6fc}
body:not(.light-theme) .auth-welcome p{color:#a5b3c9}
body:not(.light-theme) .auth-form .form-group label{color:#c2cde0}
body:not(.light-theme) .auth-form .field{background:#111d31;border-color:rgba(148,163,184,.24);color:#f1f5fb}
body:not(.light-theme) .auth-form .field:focus{background:#172640;border-color:#9b83fa;box-shadow:0 0 0 3px rgba(139,116,255,.18)}
body:not(.light-theme) .auth-form .field::placeholder{color:#8493ab}
body:not(.light-theme) .auth-form .help-text{color:#92a1b9}
body:not(.light-theme) .auth-role-picker{background:#19263d;border:1px solid rgba(148,163,184,.12)}
body:not(.light-theme) .auth-role-picker button{color:#a9b7cc}
body:not(.light-theme) .auth-role-picker button.active{background:#2a3857;border-color:rgba(167,139,250,.22);color:#d6cbff;box-shadow:0 4px 13px rgba(0,0,0,.18)}
body:not(.light-theme) .auth-role-picker button:hover{color:#e6deff}
body:not(.light-theme) .auth-switch{color:#a4b2c7}
body:not(.light-theme) .auth-switch button,body:not(.light-theme) .auth-about-link{color:#b9a5ff}
body:not(.light-theme) .oauth-divider{color:#91a0b7}
body:not(.light-theme) .oauth-divider::before,body:not(.light-theme) .oauth-divider::after{background:rgba(148,163,184,.2)}
body:not(.light-theme) .oauth-login-button{border-color:rgba(148,163,184,.23);background:#17243a;color:#e6edf8}
body:not(.light-theme) .oauth-login-note,body:not(.light-theme) .auth-security-note{color:#8392aa}
body:not(.light-theme) .auth-bottom{border-top-color:rgba(148,163,184,.18)}
body:not(.light-theme) .auth-bottom>span{color:#91a0b7}
body:not(.light-theme) .auth-mobile-mark{background:#29264a;color:#c3b2ff}
.light-theme .auth-panel{background:#fff;border-color:rgba(66,83,123,.12);box-shadow:0 28px 82px rgba(48,65,116,.15)}
.light-theme .auth-form-panel{background:#fff}
.light-theme .auth-welcome h2{color:#1d2944}
.light-theme .auth-welcome p{color:#78849a}
.light-theme .auth-form .form-group label{color:#43516c}
.light-theme .auth-form .field{background:#fbfcff;border-color:#e2e6f0;color:#1d2944}
.light-theme .auth-form .field:focus{background:#fff;border-color:#9783ea;box-shadow:0 0 0 3px rgba(120,98,226,.11)}
.light-theme .auth-form .field::placeholder{color:#a3adbd}
.light-theme .auth-form .help-text{color:#8792a8}
.light-theme .auth-role-picker{background:#f2f4fa;border-color:transparent}
.light-theme .auth-role-picker button{color:#6d7890}
.light-theme .auth-role-picker button.active{background:#fff;border-color:rgba(107,89,205,.12);color:#5945c0;box-shadow:0 3px 9px rgba(56,68,112,.07)}
.light-theme .auth-switch{color:#7c879b}
.light-theme .auth-switch button,.light-theme .auth-about-link{color:#6a55d0}
.light-theme .oauth-divider{color:#8b95a9}
.light-theme .oauth-divider::before,.light-theme .oauth-divider::after{background:#e8ebf2}
.light-theme .oauth-login-button{border-color:#e1e5ee;background:#fff;color:#2a3651}
.light-theme .oauth-login-note,.light-theme .auth-security-note{color:#8b95a9}
.light-theme .auth-bottom{border-top-color:#edf0f6}
.light-theme .auth-bottom>span{color:#8a95a9}
.light-theme .auth-mobile-mark{background:#f0edff;color:#715bda}
.light-theme .language-picker-trigger{background:#f1efff;border-color:rgba(105,83,210,.2);color:#4e3f9e;box-shadow:0 5px 14px rgba(86,67,163,.07)}
.light-theme .language-picker-trigger:hover,.light-theme .language-picker-trigger[aria-expanded="true"]{background:#e9e4ff;border-color:rgba(105,83,210,.4)}
.light-theme .language-picker-trigger .language-control-icon{color:#725de0}
.light-theme .language-picker-trigger .language-chevron{color:#6d5bc1}
.light-theme .language-menu{border-color:rgba(69,86,124,.15);background:#fff;color:#26334e;box-shadow:0 16px 38px rgba(35,48,76,.2)}
.light-theme .language-menu button{color:#53617a}
.light-theme .language-menu button:hover,.light-theme .language-menu button.selected{background:#f0edff;color:#4f3cad}
.light-theme .language-menu button svg{stroke:#6b55d5}
@media(max-width:760px){.topbar .language-picker-trigger{min-height:32px;gap:5px;padding:0 7px;font-size:9px}.topbar .language-current{min-width:34px}.topbar .language-picker-trigger .language-control-icon svg{width:14px;height:14px}.topbar .language-chevron{width:11px;height:11px}.auth-language-control .language-picker-trigger{min-height:37px;padding:0 8px;gap:5px}.auth-language-control .language-current{min-width:39px}}
@media(prefers-reduced-motion:reduce){.language-picker-trigger,.language-chevron,.language-menu{animation:none!important;transition:none!important}}

/* Clear, platform-native typography with explicit Khmer glyph fallbacks. */
:root{
  --font-ui:"Inter","Segoe UI Variable","Segoe UI",-apple-system,BlinkMacSystemFont,system-ui,sans-serif;
  --font-khmer:"Noto Sans Khmer","Khmer OS System","Leelawadee UI","Segoe UI Variable","Segoe UI",system-ui,sans-serif;
  font-family:var(--font-ui);
  font-synthesis:none;
  font-kerning:normal;
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
body{font-family:var(--font-ui);font-size:15px;line-height:1.6;letter-spacing:0}
button,input,select,textarea{font-family:inherit;font-kerning:inherit}
html[lang="km"]:root,html[lang="km"] body{font-family:var(--font-khmer)}
html[lang="km"] body{line-height:1.75}
html[lang="km"] *{letter-spacing:normal}

/* Dashboard metrics: larger, crisp SVG symbols and a calmer card rhythm. */
.dashboard-stats .stat-card{min-height:178px;padding:22px 24px;border-radius:22px}
.dashboard-stats .stat-top{font-size:12px}
.dashboard-stats .stat-icon{width:44px;height:44px;border-radius:15px}
.dashboard-stats .stat-icon .studytrack-icon{width:21px;height:21px}
.dashboard-stats .stat-value{margin-top:14px;font-size:36px;letter-spacing:-1.2px}
.dashboard-stats .stat-foot{margin-top:9px;font-size:12px}

/* Classroom cards use the same dark surface as the rest of the workspace. */
.classroom-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;align-items:stretch}
.class-card{display:flex;flex-direction:column;min-height:276px;padding:22px;border:1px solid rgba(148,163,184,.16);border-radius:22px;background:linear-gradient(145deg,rgba(23,37,61,.98),rgba(13,24,41,.99));color:var(--text);box-shadow:0 18px 42px rgba(0,0,0,.2),inset 0 1px 0 rgba(255,255,255,.035);isolation:isolate}
.class-card:before{right:-42px;top:-70px;width:176px;height:176px;background:radial-gradient(circle,rgba(142,112,255,.2),rgba(85,164,255,.04) 58%,transparent 72%);box-shadow:0 0 0 18px rgba(154,121,255,.025)}
.class-card:after{content:"";position:absolute;z-index:0;inset:0 0 auto;height:3px;background:linear-gradient(90deg,#9a79ff,#55a4ff,transparent);opacity:.9}
.class-card>*{position:relative;z-index:1}
.class-card:hover{transform:translateY(-4px);border-color:rgba(154,121,255,.38);box-shadow:0 23px 46px rgba(0,0,0,.27),0 0 0 1px rgba(154,121,255,.08)}
.class-card-top{margin-bottom:3px}
.class-icon{width:48px;height:48px;border-radius:16px;background:linear-gradient(145deg,#9a79ff,#4f9de8);box-shadow:0 10px 25px rgba(99,86,216,.3)}
.class-icon .studytrack-icon{width:23px;height:23px}
.role-tag{padding:7px 11px;font-size:9px;letter-spacing:.09em;background:rgba(85,164,255,.12);color:#a9d6ff;border:1px solid rgba(85,164,255,.16)}
.role-tag.teacher{background:rgba(154,121,255,.14);color:#d2c3ff;border-color:rgba(154,121,255,.2)}
.class-card h2{margin:14px 0 5px;color:#f1f5fd;font-size:20px;font-weight:750;letter-spacing:-.45px}
.class-card>p{margin:0 0 17px;color:#a9b8cd;font-size:12px;line-height:1.6}
.join-code-box{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px 12px;margin:0 0 14px;padding:14px;border:1px solid rgba(154,121,255,.2);border-radius:15px;background:linear-gradient(135deg,rgba(154,121,255,.1),rgba(85,164,255,.055))}
.join-code-box>span{grid-column:1/-1;color:#95a5bd;font-size:9px;letter-spacing:.11em}
.join-code-box>b{min-width:0;overflow-wrap:anywhere;color:#ded5ff;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:clamp(14px,1.4vw,18px);font-weight:750;letter-spacing:.12em}
.join-code-box .btn.class-copy-code{min-height:39px;margin:0;padding:8px 11px;border:1px solid rgba(154,121,255,.34);border-radius:11px;background:rgba(154,121,255,.18);color:#e5dcff;font-size:11px;font-weight:700}
.join-code-box .btn.class-copy-code:hover{background:rgba(154,121,255,.28);border-color:rgba(181,160,255,.55)}
.class-card-foot{align-items:center;min-height:53px;margin-top:auto;padding:11px 2px 15px;color:#b2bfd1;font-size:12px}
.class-card-foot span{display:inline-flex;align-items:center;gap:8px}
.class-card-foot .studytrack-icon{width:16px;height:16px;color:#45d7a4}
.class-open{min-height:43px;margin-top:auto;padding:10px 13px;border-radius:12px;font-size:12px}
.class-card .class-open.btn-soft{border-color:rgba(154,121,255,.22);background:rgba(154,121,255,.1);color:#d3c6ff}
.class-card .class-open .studytrack-icon{width:16px;height:16px}
.light-theme .class-card{border-color:rgba(78,96,132,.12);background:linear-gradient(145deg,#fff,#f7f9ff);color:#1e2b45;box-shadow:0 15px 36px rgba(54,73,117,.09),inset 0 1px 0 rgba(255,255,255,.9)}
.light-theme .class-card:before{background:radial-gradient(circle,rgba(142,112,255,.14),rgba(85,164,255,.035) 58%,transparent 72%)}
.light-theme .class-card h2{color:#1e2b45}
.light-theme .class-card>p,.light-theme .class-card-foot{color:#71809a}
.light-theme .join-code-box{background:linear-gradient(135deg,#f4f0ff,#eff8ff);border-color:rgba(121,99,237,.2)}
.light-theme .join-code-box>span{color:#74819a}
.light-theme .join-code-box>b{color:#5f4bc0}
.light-theme .join-code-box .btn.class-copy-code{background:linear-gradient(120deg,#8c70f6,#6956df);border-color:transparent;color:#fff}
.light-theme .class-card .class-open.btn-soft{background:#f1edff;border-color:rgba(121,99,237,.18);color:#5b49bb}
@media(max-width:1120px){.classroom-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.dashboard-stats .stat-card{min-height:158px;padding:18px}.dashboard-stats .stat-icon{width:40px;height:40px}.dashboard-stats .stat-value{font-size:31px}.classroom-grid{grid-template-columns:1fr;gap:14px}.class-card{min-height:250px;padding:19px}.join-code-box>b{font-size:16px}}
@media(max-width:420px){.dashboard-stats .stat-card{min-height:145px;padding:15px}.dashboard-stats .stat-top{font-size:10px}.dashboard-stats .stat-icon{width:36px;height:36px}.dashboard-stats .stat-value{font-size:28px}.dashboard-stats .stat-foot{font-size:10px}.join-code-box{grid-template-columns:minmax(0,1fr) auto;gap:9px;padding:11px}.join-code-box>b{font-size:14px;letter-spacing:.08em}.join-code-box .btn.class-copy-code{padding:7px 8px;font-size:10px}}
@media(prefers-reduced-motion:reduce){.class-card{transition:none!important}}

/* Dashboard welcome panel: clearer hierarchy and a softly animated backdrop. */
.welcome-card{min-height:286px;padding:38px 40px;border-radius:28px;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:30px;border-color:rgba(161,147,255,.23);background:radial-gradient(ellipse at 82% 48%,rgba(125,98,255,.27),transparent 36%),radial-gradient(ellipse at 24% 110%,rgba(57,186,210,.16),transparent 40%),linear-gradient(118deg,#15243b 0%,#18233d 52%,#202047 100%);box-shadow:0 25px 60px rgba(0,0,0,.23),inset 0 1px 0 rgba(255,255,255,.07)}
.welcome-card:before{inset:-35%;background:linear-gradient(112deg,transparent 32%,rgba(255,255,255,.035) 48%,transparent 55%);animation:welcomeSheen 13s ease-in-out infinite alternate}
.welcome-card:after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:linear-gradient(120deg,rgba(255,255,255,.025),transparent 38%);z-index:0}
.welcome-copy{max-width:690px;z-index:2}
.welcome-card .eyebrow{display:inline-flex;align-items:center;gap:9px;margin-bottom:13px;padding:8px 12px;border:1px solid rgba(183,167,255,.2);border-radius:999px;background:rgba(139,116,255,.09);font-size:10px;letter-spacing:.13em}
.welcome-card .eyebrow-spark{color:#6de2e8;font-size:16px}
.welcome-card h2{max-width:760px;margin:0 0 12px;color:#f5f7ff;font-size:clamp(30px,3.1vw,44px);font-weight:780;letter-spacing:-1.6px;line-height:1.12}
.welcome-card p{max-width:590px;margin:0;color:#b6c4d8;font-size:14px;line-height:1.75}
.welcome-actions{gap:15px;margin-top:24px}
.welcome-actions .btn-primary{min-height:50px;padding:0 19px;border-radius:14px;font-size:13px;box-shadow:0 13px 29px rgba(112,87,234,.34)}
.hero-link{display:inline-flex;align-items:center;gap:10px;color:#c5d0e2;font-size:13px;font-weight:650}
.hero-play{width:36px;height:36px;border-color:rgba(172,152,255,.28);background:rgba(123,103,222,.13);color:#c6b8ff}
.welcome-art{min-height:240px;z-index:1}
.welcome-orb{width:240px;height:240px;right:auto;top:50%;border-color:rgba(170,154,255,.18);box-shadow:0 0 0 20px rgba(167,139,250,.035),0 0 0 42px rgba(167,139,250,.025);transform:translateY(-50%);animation:welcomeOrbit 28s linear infinite}
.hero-study-card{width:min(340px,95%);padding:18px 19px 16px;border-radius:21px;border-color:rgba(193,209,238,.25);background:linear-gradient(145deg,rgba(35,49,78,.94),rgba(19,31,53,.96));box-shadow:0 25px 55px rgba(0,0,0,.34),inset 0 1px 0 rgba(255,255,255,.12);transform:rotate(-2.3deg);animation:dashboardCardFloat 7s ease-in-out infinite}
.hero-study-head{font-size:10px;letter-spacing:.09em}
.hero-study-head .hero-book-icon{width:40px;height:40px;border-radius:13px}
.hero-progress-lines{gap:8px;margin:17px 0 16px}
.hero-progress-lines b,.hero-progress-lines i{height:7px;border-radius:99px}
.hero-study-foot{padding-top:13px}
.date-pill{top:21px;right:24px;min-height:37px;padding:8px 12px;border-radius:13px;background:rgba(9,16,30,.34);font-size:11px;backdrop-filter:blur(10px)}
.light-theme .welcome-card{background:radial-gradient(ellipse at 82% 48%,rgba(125,98,255,.17),transparent 36%),radial-gradient(ellipse at 24% 110%,rgba(57,186,210,.11),transparent 40%),linear-gradient(118deg,#f1efff 0%,#eaf4ff 54%,#eef8ff 100%);border-color:rgba(105,91,202,.17);box-shadow:0 22px 50px rgba(77,87,144,.12)}
.light-theme .welcome-card h2{color:#1b2741}
.light-theme .welcome-card p{color:#62718b}
.light-theme .welcome-card .eyebrow{border-color:rgba(105,91,202,.17);background:rgba(139,116,255,.08)}
.light-theme .hero-study-card{background:linear-gradient(145deg,rgba(255,255,255,.97),rgba(242,246,255,.98));border-color:rgba(79,92,138,.15);box-shadow:0 23px 48px rgba(72,84,142,.18),inset 0 1px 0 #fff}
.light-theme .date-pill{color:#52617b;background:rgba(255,255,255,.76);border-color:rgba(66,83,111,.12)}

/* Keep the language popover above the account type controls when it opens. */
.auth-head-row{position:relative;z-index:30;isolation:isolate;margin-bottom:25px}
.auth-head-row:has(.language-picker-trigger[aria-expanded="true"]){z-index:90;margin-bottom:30px}
.auth-language-control{z-index:91}
.auth-form-inner,.auth-form-panel{overflow:visible}
.auth-role-picker{position:relative;z-index:1}
.topbar .language-picker{z-index:25}
.language-menu{z-index:999;min-width:170px;padding:7px;border-radius:15px}
.language-menu button{min-height:42px;padding:0 12px;border-radius:10px;font-size:12px}
.language-menu button svg{width:16px;height:16px}

/* Login motion: staged entrance, slow ambient light and a gentle feature-card float. */
.auth-panel{box-shadow:0 38px 110px rgba(0,0,0,.42),0 0 0 1px rgba(170,154,255,.08)}
.auth-visual{background-size:165% 165%;animation:authGradient 18s ease-in-out infinite alternate}
.auth-visual-content{animation:authVisualReveal .72s .1s both}
.auth-art-card{animation:loginCardFloat 7s ease-in-out infinite}
.auth-art-orbit.one{animation:authPulse 9s ease-in-out infinite,loginOrbit 34s linear infinite}
.auth-art-orbit.two{animation:authPulse 11s ease-in-out -2s infinite,loginOrbit 48s linear infinite reverse}
.auth-panel .auth-art-star{animation:loginStarFloat 4s ease-in-out infinite!important}
.auth-form-inner{animation:authFormReveal .65s .08s both}
.auth-head-row .auth-welcome h2{letter-spacing:-.045em}
.auth-form>.form-group{animation:authFieldReveal .48s both}
.auth-form>.form-group:nth-of-type(1){animation-delay:.12s}
.auth-form>.form-group:nth-of-type(2){animation-delay:.2s}
.auth-form>.form-group:nth-of-type(3){animation-delay:.28s}
.auth-form>.form-group:nth-of-type(4){animation-delay:.36s}
.auth-form>.form-group:nth-of-type(5){animation-delay:.44s}
.auth-submit{isolation:isolate;box-shadow:0 15px 34px rgba(121,89,237,.34)}
.auth-submit:after{content:"";position:absolute;z-index:-1;inset:-20% auto -20% -45%;width:34%;transform:skewX(-18deg);background:linear-gradient(90deg,transparent,rgba(255,255,255,.22),transparent);animation:authButtonShine 6.5s ease-in-out 1.2s infinite}
.auth-role-picker{animation:authRoleReveal .55s .16s both}
@keyframes welcomeSheen{0%{transform:translateX(-7%)}100%{transform:translateX(7%)}}
@keyframes welcomeOrbit{to{rotate:360deg}}
@keyframes dashboardCardFloat{0%,100%{transform:translateY(0) rotate(-2.3deg)}50%{transform:translateY(-9px) rotate(-1deg)}}
@keyframes authVisualReveal{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
@keyframes authFormReveal{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
@keyframes authFieldReveal{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@keyframes loginCardFloat{0%,100%{transform:translateY(0) rotate(-5deg)}50%{transform:translateY(-8px) rotate(-2.5deg)}}
@keyframes loginOrbit{to{rotate:360deg}}
@keyframes loginStarFloat{0%,100%{transform:translateY(0) rotate(0);opacity:.65}50%{transform:translateY(-9px) rotate(18deg);opacity:1}}
@keyframes authButtonShine{0%,72%,100%{left:-45%}38%{left:115%}}
@keyframes authRoleReveal{from{opacity:0;transform:translateY(9px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:1080px){.welcome-card{min-height:250px;padding:31px 30px;grid-template-columns:minmax(0,1.1fr) minmax(240px,.9fr)}.hero-study-card{width:min(300px,94%)}}
@media(max-width:760px){.welcome-card{min-height:0;padding:28px 22px;grid-template-columns:1fr;gap:14px}.welcome-card h2{max-width:100%;font-size:clamp(27px,7vw,36px)}.welcome-card p{font-size:13px}.welcome-art{display:grid;min-height:195px}.hero-study-card{width:min(300px,90%)}.date-pill{top:12px;right:12px;max-width:48%;font-size:9px}.auth-head-row{z-index:30;margin-bottom:24px}.auth-head-row:has(.language-picker-trigger[aria-expanded="true"]){margin-bottom:30px}.auth-panel .auth-visual-content{animation:authVisualReveal .6s .08s both}}
@media(max-width:420px){.welcome-card{padding:24px 17px}.welcome-actions{align-items:flex-start;flex-direction:column;gap:11px}.welcome-art{min-height:178px}.hero-study-card{width:min(270px,92%)}.auth-head-row:has(.language-picker-trigger[aria-expanded="true"]){margin-bottom:35px}.language-menu{min-width:160px}}
@media(prefers-reduced-motion:reduce){.welcome-card:before,.welcome-orb,.hero-study-card,.auth-visual,.auth-visual-content,.auth-art-card,.auth-art-orbit,.auth-art-star,.auth-form-inner,.auth-form>.form-group,.auth-submit:after,.auth-role-picker{animation:none!important}}

@media(max-width:420px){
  .topbar-actions{gap:5px}
  .topbar-actions .local-indicator{display:none}
  .topbar-actions .language-current,.topbar-actions .language-chevron{display:none}
  .topbar-actions .language-picker-trigger{width:32px;min-width:32px;padding:0}
}
@media(prefers-reduced-motion:reduce){.pwa-install-button{animation:none!important;transition:none!important}}