:root{
  --blue:#2563EB; --blue-dark:#1D4ED8; --indigo:#4F46E5;
  --bg:#F7F9FC; --surface:#FFFFFF; --line:#E2E8F0; --ink:#0F172A; --sub:#64748B;
  --green:#16A34A; --amber:#D97706; --red:#DC2626; --grid:#EEF2FB;
}
html[data-theme="dark"]{
  --blue:#3B82F6; --blue-dark:#60A5FA; --indigo:#818CF8;
  --bg:#0B1120; --surface:#141B2D; --line:#26314A; --ink:#E5EAF5; --sub:#94A3B8;
  --green:#4ADE80; --amber:#FBBF24; --red:#F87171; --grid:#1B2438;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{font-family:'Sarabun',sans-serif;background:radial-gradient(circle at 8% 2%,rgba(37,99,235,.10),transparent 25rem),radial-gradient(circle at 95% 15%,rgba(79,70,229,.08),transparent 28rem),var(--bg);color:var(--ink);min-height:100vh;transition:background .2s,color .2s;}
h1,h2,h3,.display{font-family:'Prompt',sans-serif;}
button{font-family:inherit;cursor:pointer;}
.hidden{display:none !important;}
html.restoring-session #startScreen{visibility:hidden;}html.restoring-session body::after{content:'กำลังตรวจสอบการเข้าสู่ระบบ…';position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;background:var(--bg);color:var(--sub);font-family:'Prompt',sans-serif;font-size:15px;}
.btn{border:none;border-radius:12px;padding:14px 22px;font-weight:600;font-size:15px;transition:transform .15s,box-shadow .15s,background .15s;}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 20px -8px rgba(37,99,235,.6);}
.btn-primary:hover{background:var(--blue-dark);transform:translateY(-1px);}
.btn-primary:disabled{background:var(--sub);box-shadow:none;cursor:not-allowed;transform:none;}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue);}

.top-toggle-group{position:fixed;top:16px;right:18px;z-index:50;display:flex;gap:8px;}
.theme-toggle{background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:8px 14px;font-size:12.5px;color:var(--ink);display:flex;align-items:center;gap:6px;box-shadow:0 4px 14px -6px rgba(0,0,0,.2);cursor:pointer;}
.theme-toggle:hover{border-color:var(--blue);}
.top-toggle-group .theme-toggle{position:static;}

.screen-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:32px 24px;}
.card{max-width:720px;width:100%;background:color-mix(in srgb,var(--surface) 94%,transparent);border:1px solid color-mix(in srgb,var(--line) 90%,#fff);border-radius:24px;padding:40px;box-shadow:0 24px 60px -30px rgba(15,23,42,.28);}
.card::selection{background:rgba(37,99,235,.18);}
#startScreen .card{max-width:820px;position:relative;overflow:hidden;border-color:rgba(37,99,235,.20);box-shadow:0 28px 75px -34px rgba(37,99,235,.45);}
#startScreen .card::after{content:'';position:absolute;width:260px;height:260px;right:-120px;top:-135px;border-radius:50%;background:radial-gradient(circle,rgba(59,130,246,.20),rgba(79,70,229,.03) 68%,transparent 70%);pointer-events:none;}
.eyebrow{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--blue);background:rgba(37,99,235,.1);padding:5px 12px;border-radius:999px;margin-bottom:14px;}
.card h1{font-size:27px;letter-spacing:-.025em;margin:0 0 8px;}
.card p.lead{color:var(--sub);margin:0 0 22px;line-height:1.7;}
.meta-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px;}
.meta-pill{background:color-mix(in srgb,var(--grid) 78%,var(--surface));border:1px solid var(--line);border-radius:12px;padding:10px 14px;font-size:13px;display:flex;align-items:center;gap:8px;}
#startScreen .meta-row{gap:8px;flex-wrap:nowrap;}
#startScreen .meta-pill{padding:8px 10px;font-size:12px;gap:5px;white-space:nowrap;}
.meta-pill b{color:var(--blue);}
.spec-box{background:linear-gradient(135deg,color-mix(in srgb,var(--grid) 88%,var(--surface)),var(--surface));border:1px solid var(--line);border-radius:16px;padding:17px 19px;margin-bottom:26px;}
.spec-box h3{font-size:14px;margin:0 0 8px;color:var(--indigo);}
.spec-box ul{margin:0;padding-left:18px;font-size:13.5px;color:var(--sub);line-height:1.8;}
.spec-box .integrity-warning{margin:8px 0 0 -2px;padding:9px 12px;list-style:none;border-left:3px solid var(--red);border-radius:8px;background:color-mix(in srgb,var(--red) 10%,var(--surface));line-height:1.6;}
.spec-box .integrity-warning strong{color:var(--red);font-weight:700;}
.spec-box .integrity-warning span{font-size:12.5px;}
.start-actions{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap;}
.name-input{width:100%;padding:15px 16px;border:1.5px solid var(--line);border-radius:13px;font-size:16px;font-family:inherit;margin-bottom:20px;background:var(--surface);color:var(--ink);box-shadow:0 1px 2px rgba(15,23,42,.02);}
.name-input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 4px rgba(37,99,235,.12);}
.id-error{color:var(--red);font-size:13px;margin:-12px 0 16px;display:none;}
.identity-box{background:rgba(22,163,74,.08);border:1px solid var(--green);border-radius:12px;padding:14px 16px;margin-bottom:20px;font-size:14px;line-height:1.8;}
.identity-box b{color:var(--green);}
.link-btn{background:none;border:none;color:var(--blue);font-size:13px;text-decoration:underline;padding:0;}

.qgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px;margin-bottom:8px;}
.qcard{background:linear-gradient(145deg,var(--surface),var(--grid));border:1.5px solid var(--line);border-radius:16px;padding:19px;text-align:left;color:var(--ink);cursor:pointer;transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease;}
.qcard:hover{border-color:var(--blue);transform:translateY(-2px);box-shadow:0 14px 24px -22px rgba(37,99,235,.8);}
.qcard.selected{border-color:var(--blue);background:linear-gradient(145deg,rgba(37,99,235,.12),rgba(79,70,229,.06));box-shadow:0 0 0 3px rgba(37,99,235,.12);}
.qcard h3{font-size:15px;margin:0 0 6px;font-family:'Prompt',sans-serif;}
.qcard p{font-size:12.5px;color:var(--sub);margin:0 0 10px;line-height:1.6;}
.qcard .lvbadges{display:flex;gap:6px;flex-wrap:wrap;}
.lvbadge{font-size:10.5px;background:var(--surface);border:1px solid var(--line);padding:2px 8px;border-radius:999px;color:var(--sub);}
.lvbadge.examtype{background:var(--indigo);color:#fff;border-color:var(--indigo);font-weight:600;}
.empty-note{font-size:13.5px;color:var(--sub);background:var(--grid);border:1px dashed var(--line);border-radius:12px;padding:20px;text-align:center;}

#examPreparingOverlay{position:fixed;inset:0;z-index:99;display:flex;align-items:center;justify-content:center;padding:24px;background:rgba(15,23,42,.72);backdrop-filter:blur(5px);}
.exam-preparing-card{min-width:min(340px,100%);display:flex;flex-direction:column;align-items:center;gap:10px;padding:30px 26px;border:1px solid rgba(255,255,255,.22);border-radius:20px;background:rgba(15,23,42,.94);color:#fff;box-shadow:0 24px 70px rgba(0,0,0,.35);animation:preparing-card-in .22s ease-out;}
.exam-preparing-card strong{font-family:'Prompt',sans-serif;font-size:17px;}
.exam-preparing-card>span:last-child{font-size:13px;color:#CBD5E1;}
.exam-preparing-spinner{width:46px;height:46px;margin-bottom:4px;border:4px solid rgba(255,255,255,.22);border-top-color:#60A5FA;border-radius:50%;animation:preparing-spin .75s linear infinite;}
#selectScreen.exam-preparing .qcard,#selectScreen.exam-preparing .start-actions{pointer-events:none;}
@keyframes preparing-spin{to{transform:rotate(360deg);}}
@keyframes preparing-card-in{from{opacity:0;transform:translateY(8px) scale(.96);}to{opacity:1;transform:translateY(0) scale(1);}}

#countdownOverlay{position:fixed;inset:0;background:rgba(15,23,42,.92);display:flex;align-items:center;justify-content:center;flex-direction:column;z-index:100;color:#fff;}
#countdownNumber{font-family:'Prompt',sans-serif;font-weight:700;font-size:120px;animation:pop .9s ease;}
#countdownLabel{color:#93A1BE;margin-top:8px;font-size:14px;letter-spacing:.08em;}
@keyframes pop{0%{transform:scale(.4);opacity:0;}30%{transform:scale(1.08);opacity:1;}100%{transform:scale(1);opacity:1;}}

#examScreen{display:flex;flex-direction:column;height:100vh;}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:10px 20px;background:color-mix(in srgb,var(--surface) 94%,transparent);border-bottom:1px solid var(--line);flex-wrap:wrap;gap:10px;backdrop-filter:blur(14px);z-index:10;}
.topbar-left{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.topbar-title{font-family:'Prompt',sans-serif;font-weight:600;font-size:15px;}
.tag{font-size:11px;background:var(--grid);color:var(--sub);padding:3px 9px;border-radius:999px;border:1px solid var(--line);}
.tag.autosave{background:rgba(22,163,74,.1);color:var(--green);border-color:rgba(22,163,74,.28);}
.tag.autosave.saving{background:rgba(37,99,235,.1);color:var(--blue);border-color:rgba(37,99,235,.28);}
.name-tag{font-size:12px;background:rgba(37,99,235,.1);color:var(--blue);padding:4px 11px;border-radius:999px;font-weight:600;}
.timer{font-family:'Prompt',sans-serif;font-weight:700;font-size:20px;background:linear-gradient(135deg,var(--grid),var(--surface));border:1px solid var(--line);border-radius:12px;padding:7px 16px;min-width:96px;text-align:center;box-shadow:0 4px 12px -10px rgba(15,23,42,.5);}
.timer.warn{color:var(--amber);border-color:var(--amber);}
.timer.danger{color:var(--red);border-color:var(--red);animation:blink 1s infinite;}
@keyframes blink{50%{opacity:.45;}}
.topbar-right{display:flex;align-items:center;gap:8px;}
.icon-btn{background:var(--grid);border:1px solid var(--line);border-radius:9px;padding:7px 12px;font-size:12.5px;color:var(--ink);display:flex;align-items:center;gap:6px;}
.icon-btn:hover{border-color:var(--blue);color:var(--blue);}
.icon-btn:disabled{opacity:.5;cursor:not-allowed;}
.badge-warn{background:rgba(217,119,6,.12);color:var(--amber);border-color:var(--amber);}

.hub-wrap{flex:1;overflow-y:auto;padding:40px 28px;display:flex;justify-content:center;}
.hub-inner{max-width:900px;width:100%;}
.hub-inner h2{font-size:20px;margin:0 0 4px;}
.hub-inner .sub{color:var(--sub);font-size:13.5px;margin:0 0 24px;}
.lv-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;}
.lv-card{background:linear-gradient(145deg,var(--surface),color-mix(in srgb,var(--grid) 46%,var(--surface)));border:1.5px solid var(--line);border-radius:18px;padding:22px;display:flex;flex-direction:column;gap:10px;box-shadow:0 14px 30px -28px rgba(15,23,42,.65);transition:transform .16s,box-shadow .16s;}
.lv-card:hover{transform:translateY(-2px);box-shadow:0 18px 32px -24px rgba(37,99,235,.32);}
.lv-card h3{font-size:16px;margin:0;}
.lv-card .lv-desc{font-size:12.5px;color:var(--sub);line-height:1.7;flex:1;}
.lv-status{font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;width:fit-content;}
.lv-status.todo{background:var(--grid);color:var(--sub);}
.lv-status.done{background:rgba(22,163,74,.12);color:var(--green);}
.hub-note{background:rgba(37,99,235,.08);border:1px solid var(--blue);border-radius:12px;padding:14px 16px;font-size:13px;line-height:1.7;margin-bottom:20px;}

.section-wrap{flex:1;overflow-y:auto;padding:32px 24px;display:flex;justify-content:center;}
.section-inner{max-width:850px;width:100%;padding-bottom:72px;}
.section-head{margin-bottom:18px;}
.section-head h2{font-size:20px;margin:0 0 6px;}
.section-head p{color:var(--sub);font-size:13.5px;margin:0;line-height:1.7;}
.progress-badge{display:inline-block;font-size:12.5px;font-weight:600;background:var(--grid);border:1px solid var(--line);border-radius:999px;padding:6px 14px;margin-bottom:16px;}
.progress-badge.complete{background:rgba(22,163,74,.1);color:var(--green);border-color:var(--green);}
.qblock{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:24px 26px;margin-bottom:18px;box-shadow:0 16px 32px -30px rgba(15,23,42,.7);}
.qblock .qnum{font-family:'Prompt',sans-serif;font-size:12px;color:var(--blue);font-weight:700;margin-bottom:9px;display:inline-flex;align-items:center;gap:6px;background:rgba(37,99,235,.09);padding:5px 10px;border-radius:999px;}
.qblock .qtext{font-size:15.5px;line-height:1.8;margin-bottom:16px;}
.question-resources{display:grid;gap:12px;margin:0 0 18px;}
.question-code{margin:0;padding:14px 16px;overflow:auto;border-radius:12px;background:#172033;color:#e7efff;font:13px/1.65 ui-monospace,SFMono-Regular,Consolas,monospace;white-space:pre;}
.question-table-wrap{overflow:auto;border:1px solid var(--line);border-radius:12px;}
.question-table{width:100%;border-collapse:collapse;font-size:13px;}
.question-table th,.question-table td{padding:9px 11px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap;}
.question-table th{background:var(--grid);font-weight:650;}
.question-table tr:last-child td{border-bottom:0;}
.question-assets{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-start;}
.question-asset-image{display:block;max-width:min(100%,560px);max-height:380px;border:1px solid var(--line);border-radius:12px;object-fit:contain;background:#fff;}
.question-asset-link{display:inline-flex;align-items:center;gap:6px;padding:9px 12px;border:1px solid var(--line);border-radius:10px;color:var(--blue);background:var(--grid);font-size:13px;text-decoration:none;}
.choice-list{display:flex;flex-direction:column;gap:10px;}
.choice-item{display:flex;align-items:center;gap:12px;background:color-mix(in srgb,var(--grid) 82%,var(--surface));border:1.5px solid var(--line);border-radius:14px;padding:13px 15px;font-size:14px;transition:border-color .15s,background .15s,transform .15s;}
.choice-item:hover{border-color:var(--blue);transform:translateX(2px);}
.choice-item.picked{border-color:var(--blue);background:rgba(37,99,235,.10);box-shadow:0 0 0 3px rgba(37,99,235,.10);}
.choice-item.choice-confirmed{border-color:var(--green);background:rgba(22,163,74,.13);box-shadow:0 0 0 5px rgba(22,163,74,.13);animation:choice-confirmed .32s ease-out;}
.mc-answer-pending .choice-list,.mc-answer-pending .mc-palette,.mc-answer-pending .mc-nav-row{pointer-events:none;}
@keyframes choice-confirmed{0%{transform:scale(1);}45%{transform:scale(1.018);}100%{transform:scale(1);}}
.choice-item input{width:17px;height:17px;accent-color:var(--blue);flex:none;}
.written-textarea{width:100%;min-height:130px;padding:14px 16px;border:1.5px solid var(--line);border-radius:12px;font-family:inherit;font-size:14.5px;resize:vertical;line-height:1.7;background:var(--surface);color:var(--ink);}
.written-textarea:focus{outline:none;border-color:var(--blue);}
.written-textarea.flag-missing{border-color:var(--red);}
.code-editor{overflow:hidden;border:1.5px solid #334155;border-radius:14px;background:#101827;box-shadow:0 12px 26px -22px rgba(15,23,42,.8);}
.code-editor-head{display:flex;align-items:center;justify-content:space-between;padding:9px 13px;background:#1E293B;color:#CBD5E1;font:600 12px ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.02em;}
.code-editor-head span:last-child{color:#86EFAC;font-size:11px;}.code-editor-body{display:grid;grid-template-columns:44px 1fr;min-height:210px;}
.code-line-numbers{margin:0;padding:14px 8px;background:#172033;color:#64748B;text-align:right;font:13px/1.62 ui-monospace,SFMono-Regular,Consolas,monospace;user-select:none;overflow:hidden;}
.code-answer{width:100%;min-height:210px;box-sizing:border-box;border:0;outline:0;resize:vertical;padding:14px 16px;background:#101827;color:#E2E8F0;font:14px/1.62 ui-monospace,SFMono-Regular,Consolas,monospace;tab-size:2;white-space:pre;}
.code-answer:focus{box-shadow:inset 3px 0 0 #60A5FA;}.code-answer.flag-missing{box-shadow:inset 3px 0 0 var(--red);}

/* MC one-at-a-time */
.mc-map-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin-bottom:18px;}
.mc-map-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;flex-wrap:wrap;gap:8px;}
.mc-map-head .title{font-family:'Prompt',sans-serif;font-weight:600;font-size:13px;color:var(--ink);}
.mc-map-head .count{font-size:12.5px;color:var(--sub);}
.mc-progress-bar{height:6px;border-radius:999px;background:var(--grid);overflow:hidden;margin-bottom:14px;}
.mc-progress-fill{height:100%;background:var(--green);border-radius:999px;transition:width .2s;}
.mc-palette{display:grid;grid-template-columns:repeat(auto-fill,minmax(32px,1fr));gap:6px;margin-bottom:12px;}
.mc-pal-btn{width:32px;height:32px;border-radius:7px;border:1.5px solid var(--line);background:var(--grid);color:var(--sub);font-family:'Prompt',sans-serif;font-weight:600;font-size:12px;padding:0;}
.mc-pal-btn.answered{background:rgba(22,163,74,.12);border-color:var(--green);color:var(--green);}
.mc-pal-btn.current{border-color:var(--blue);box-shadow:0 0 0 2px rgba(37,99,235,.25);}
.mc-legend{display:flex;gap:16px;flex-wrap:wrap;font-size:11.5px;color:var(--sub);}
.mc-legend span{display:inline-flex;align-items:center;gap:5px;}
.mc-legend .dot{width:10px;height:10px;border-radius:3px;display:inline-block;border:1.5px solid var(--line);}
.mc-legend .dot.answered{background:rgba(22,163,74,.12);border-color:var(--green);}
.mc-legend .dot.current{border-color:var(--blue);}
.mc-legend .dot.todo{background:var(--grid);}
.mc-nav-row{margin-top:16px;}
.mc-nav-row .btn,.mc-submit-row .btn{width:100%;justify-content:center;}
.mc-complete-actions{display:grid;grid-template-columns:3fr 7fr;gap:10px;margin-top:28px;padding:16px;background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:0 10px 24px -22px rgba(15,23,42,.55);padding-bottom:max(16px,env(safe-area-inset-bottom));}
.mc-complete-actions .btn{width:100%;justify-content:center;}
.choice-clear-btn{margin-left:auto;background:transparent;border:none;color:var(--red);font-weight:700;font-size:14px;padding:4px 8px;border-radius:6px;flex:none;}
.choice-clear-btn:hover{background:rgba(220,38,38,.1);}

.match-wrap{display:flex;gap:18px;flex-wrap:wrap;}
.match-col{flex:1;min-width:240px;display:flex;flex-direction:column;gap:10px;}
.match-col h4{font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--indigo);margin:0 0 4px;}
.match-item{background:var(--grid);border:1.5px solid var(--line);border-radius:12px;padding:12px 14px;font-size:14px;display:flex;align-items:center;gap:10px;position:relative;}
.match-item:hover{border-color:var(--blue);}
.match-item.pending{border-color:var(--blue);box-shadow:0 0 0 3px rgba(37,99,235,.15);}
.match-item.matched{border-color:var(--green);}
.match-item.flag-missing{border-color:var(--red);}
.match-badge{font-family:'Prompt',sans-serif;font-weight:700;font-size:11px;background:var(--blue);color:#fff;border-radius:999px;width:22px;height:22px;flex:none;display:flex;align-items:center;justify-content:center;}
.match-item.matched .match-badge{background:var(--green);}
.match-item .noBadge{width:22px;height:22px;flex:none;border-radius:999px;border:1.5px dashed var(--line);}
.match-hint{font-size:12.5px;color:var(--sub);margin:2px 0 14px;line-height:1.7;}

.section-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:18px;}
.mc-submit-row{margin-top:28px;padding:16px;background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:0 10px 24px -22px rgba(15,23,42,.55);padding-bottom:max(16px,env(safe-area-inset-bottom));}
@media(max-width:680px){.screen-wrap{padding:20px 14px;align-items:flex-start;padding-top:74px;}.card{padding:26px 20px;border-radius:20px;}.card h1{font-size:23px;}.meta-row,#startScreen .meta-row{gap:8px;flex-wrap:wrap;}.meta-pill,#startScreen .meta-pill{width:100%;}.start-actions{align-items:stretch;}.start-actions .btn{width:100%;}.topbar{padding:9px 12px;gap:8px;}.topbar-left{gap:6px;max-width:calc(100% - 100px);}.topbar-title{width:100%;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}.tag{font-size:10px;padding:3px 7px;}.tag:not(.autosave),.name-tag{display:none;}.timer{position:absolute;right:12px;top:9px;font-size:17px;min-width:80px;padding:6px 10px;}.topbar-right{width:100%;justify-content:flex-end;}.topbar-right .icon-btn{padding:7px 9px;}.hub-wrap,.section-wrap{padding:22px 14px;}.hub-inner h2,.section-head h2{font-size:18px;}.lv-grid{grid-template-columns:1fr;gap:12px;}.lv-card{padding:18px;}.qblock{padding:18px 16px;border-radius:17px;}.qblock .qtext{font-size:15px;line-height:1.75;}.choice-item{padding:13px 12px;}.top-toggle-group{top:12px;right:12px;}.theme-toggle{padding:7px 11px;}}
@media(max-width:560px){.mc-submit-row{margin:22px 0 12px;padding:14px;position:relative;}.mc-submit-row .btn{min-height:50px;}}

#levelResultModal,#submitConfirmModal,#tabWarningModal,#splitScreenWarning,#studentIdentityConfirmModal{position:fixed;inset:0;background:rgba(15,23,42,.72);backdrop-filter:blur(5px);display:flex;align-items:center;justify-content:center;z-index:60;}
.modal-card{background:var(--surface);border-radius:18px;padding:30px;max-width:420px;width:92%;box-shadow:0 30px 60px -20px rgba(0,0,0,.4);}
.modal-card h3{font-size:16px;margin:0 0 4px;}
.submit-confirm-card{border:1px solid color-mix(in srgb,var(--amber) 55%,var(--line));animation:submitConfirmIn .2s ease-out}.submit-confirm-card .modal-check{font-size:32px;margin-bottom:6px}@keyframes submitConfirmIn{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}
.modal-card p{color:var(--sub);font-size:13.5px;line-height:1.7;}
.student-identity-confirm-card{max-width:620px;width:calc(100% - 32px);padding:36px 40px;text-align:center;border:2px solid var(--blue);}
.student-identity-confirm-card h2{font-size:21px;margin:10px 0 16px;}
.student-identity-confirm-card .identity-box{text-align:left;font-size:16px;margin-bottom:12px;}
.student-identity-confirm-card .identity-warning{color:var(--red);font-weight:700;text-align:left;margin:0 0 12px;}
.student-identity-confirm-card .name-input{margin:0 0 10px;text-align:center;font-size:17px;letter-spacing:.08em;}
.student-identity-confirm-card .id-error{text-align:left;margin:0 0 10px;}
.btn-identity-edit{background:#FFF7ED;border:1.5px solid #FDBA74;color:#9A3412;}
.btn-identity-edit:hover{background:#FFEDD5;border-color:#FB923C;}
.identity-forgot-pin{display:flex;width:100%;margin:10px 0 0;padding:9px 12px;align-items:center;justify-content:center;background:transparent;border:0;border-top:1px solid var(--line);border-radius:0;color:var(--blue);font-size:12.5px;box-shadow:none;}
.identity-forgot-pin:hover{background:rgba(37,99,235,.04);}
.student-identity-confirm-card .modal-actions{justify-content:center;align-items:stretch;}
.student-identity-confirm-card .modal-actions .btn{flex:1 1 0;min-width:0;display:flex;align-items:center;justify-content:center;}
.identity-primary-actions.single-action #studentIdentityRejectBtn{flex-basis:100%;}
.identity-primary-actions #studentIdentityAcceptBtn{animation:identityActionIn .18s ease-out;}
@keyframes identityActionIn{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}
.pin-recovery-actions{display:grid;grid-template-columns:minmax(110px,.45fr) minmax(0,1fr);align-items:stretch;}
.pin-recovery-actions .btn{width:100%;display:flex;align-items:center;justify-content:center;}
@media(max-width:520px){.student-identity-confirm-card{width:calc(100% - 24px);padding:26px 20px;}.student-identity-confirm-card .modal-actions{gap:8px;}.student-identity-confirm-card .modal-actions .btn{font-size:13px;padding-left:8px;padding-right:8px;}}
.modal-check{font-size:44px;color:var(--green);margin:14px 0;}
.modal-actions{display:flex;gap:10px;}

#finalScreen{padding:40px;max-width:720px;margin:0 auto;}
#finalScreen .card{padding:36px;text-align:center;}
#finalScreen .modal-check{font-size:60px;}
.final-list{margin:18px 0;text-align:left;}
.final-row{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px;}
.final-row b{font-family:'Prompt',sans-serif;color:var(--blue);}
.secret-note{background:rgba(217,119,6,.1);border:1px solid var(--amber);border-radius:12px;padding:14px 16px;font-size:13px;line-height:1.7;color:var(--amber);margin:18px 0;text-align:left;}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:12px 20px;border-radius:10px;font-size:13.5px;z-index:200;box-shadow:0 10px 30px -10px rgba(0,0,0,.4);}
.loading-note{font-size:13px;color:var(--sub);padding:30px;text-align:center;}
.subject-select-heading{display:flex;align-items:center;justify-content:flex-start;gap:10px;flex-wrap:wrap;margin-bottom:2px}.subject-select-heading h1{flex:0 1 auto;min-width:0;margin-right:2px}.subject-select-heading .btn{white-space:nowrap;padding:8px 12px;border-color:color-mix(in srgb,var(--blue) 35%,var(--line));color:var(--blue);background:color-mix(in srgb,var(--blue) 6%,var(--surface))}.subject-select-heading .btn:hover{background:color-mix(in srgb,var(--blue) 13%,var(--surface));transform:translateY(-1px)}
.system-closed-card{text-align:center;max-width:620px;margin:auto;border:1px solid rgba(239,68,68,.3);}.system-closed-icon{font-size:64px;margin-bottom:12px}.system-closed-card .btn{margin-top:18px;}
.submit-overlay{position:fixed;inset:0;z-index:10000;display:flex;align-items:center;justify-content:center;background:rgba(15,23,42,.58);backdrop-filter:blur(3px);}.submit-overlay-card{min-width:min(340px,calc(100% - 36px));background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:28px;text-align:center;box-shadow:0 28px 80px -24px rgba(15,23,42,.7);}.submit-spinner{display:inline-block;width:36px;height:36px;border:4px solid color-mix(in srgb,var(--blue) 20%,transparent);border-top-color:var(--blue);border-radius:50%;animation:submit-spin .75s linear infinite}.submit-overlay-card b{display:block;margin-top:14px;font:600 17px 'Prompt',sans-serif}.submit-overlay-card span{display:block;margin-top:6px;color:var(--sub);font-size:13px}@keyframes submit-spin{to{transform:rotate(360deg)}}

/* score-check screen */
.score-table{width:100%;border-collapse:collapse;font-size:13.5px;text-align:left;margin-top:10px;}
.score-table th{font-size:11px;text-transform:uppercase;color:var(--sub);border-bottom:1.5px solid var(--line);padding:8px;}
.score-table td{padding:10px 8px;border-bottom:1px solid var(--line);}
.status-pill{font-size:11px;font-weight:600;padding:4px 10px;border-radius:999px;}
.status-pill.pub{background:rgba(22,163,74,.12);color:var(--green);}
.status-pill.pending{background:rgba(217,119,6,.12);color:var(--amber);}