@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700;800&family=Outfit:wght@400;500;600;700;800&display=swap');
:root{--ink:#12283a;--navy:#0d1c2b;--navy2:#122b3c;--sub:#688092;--teal:#0b8a80;--mint:#42d5be;--mintsoft:#e9faf5;--paper:#f6f8f5;--line:#dfe9e7;--white:#fff;--lime:#dfff91;--gold:#e1ad4a;--red:#c54a42;--redsoft:#fff2ee;--shadow:0 14px 45px rgba(22,45,55,.075);--radius:22px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"DM Sans",system-ui,-apple-system,"PingFang HK","Microsoft JhengHei",sans-serif;line-height:1.58;font-size:15px;-webkit-font-smoothing:antialiased}button,select,input{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid #76dfd0;outline-offset:3px}button:disabled{cursor:not-allowed;opacity:.48}a{color:inherit;text-decoration:none}strong{font-weight:800}h1,h2,h3,h4,p{margin:0}h1,h2,h3,h4,.brand-name,.metric-number,.score-big{font-family:Outfit,"DM Sans",system-ui,sans-serif}h1{font-size:clamp(30px,4.5vw,49px);line-height:1.11;letter-spacing:-.045em}h2{font-size:26px;letter-spacing:-.035em;line-height:1.2}h3{font-size:18px;letter-spacing:-.025em}small,.muted{color:var(--sub)}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.boot{height:100vh;display:flex;align-items:center;justify-content:center;gap:12px;color:var(--teal);font-weight:800}.boot-mark{font:700 38px Outfit}.mark-dot{color:var(--lime)}
.shell{min-height:100vh;display:grid;grid-template-columns:244px minmax(0,1fr)}
.side{background:var(--navy);color:#eefbf8;display:flex;flex-direction:column;gap:30px;padding:29px 18px;position:sticky;top:0;height:100dvh;z-index:20}
.brand{display:flex;gap:12px;align-items:center;padding:5px 11px}.brand-symbol{border:1px solid #53766c;background:#1b3c42;color:var(--lime);width:43px;height:43px;border-radius:15px;display:flex;align-items:center;justify-content:center;font:800 20px Outfit;position:relative;letter-spacing:-1px}.brand-symbol:after{content:"";position:absolute;right:7px;top:7px;width:7px;height:7px;background:var(--mint);border-radius:50%}.brand-name{font-size:18px;letter-spacing:-.04em;line-height:1.04;font-weight:800}.brand-sub{font-size:10px;color:#95b8bc;letter-spacing:.11em;margin-top:5px;font-weight:800}
.side-label{padding:0 16px;color:#728f99;font-size:10px;text-transform:uppercase;letter-spacing:.19em;font-weight:800}
.side-nav{display:grid;gap:7px}.nav-item{border:0;background:transparent;color:#afc8cc;border-radius:14px;padding:13px 16px;display:flex;align-items:center;gap:12px;width:100%;text-align:left;font-weight:700;font-size:14px;transition:.18s}.nav-item:hover{background:#183240;color:#fff}.nav-item.active{background:#224144;color:#e3fff9}.nav-item.active:before{content:"";width:4px;background:var(--mint);position:absolute;left:18px;height:20px;border-radius:4px;transform:translateX(-10px)}.nav-icon{font-size:19px;width:22px;text-align:center;font-family:system-ui}.side-bottom{margin-top:auto;display:grid;gap:12px}.side-note{padding:16px;border-radius:17px;background:#193342;border:1px solid #294b58;color:#c9dbdb;font-size:12px}.side-note strong{color:var(--lime);display:block;font-size:12px;margin-bottom:4px}.mobile-bar{display:none}
.main{min-width:0}.topbar{height:87px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(22px,4.4vw,66px);border-bottom:1px solid var(--line);background:rgba(246,248,245,.93);backdrop-filter:blur(16px);position:sticky;top:0;z-index:10}.breadcrumbs{display:flex;align-items:center;gap:9px;color:var(--sub);font-size:13px;font-weight:700}.breadcrumbs strong{color:var(--ink)}.head-actions{display:flex;align-items:center;gap:12px}.language-switch{border:1px solid #d6e5e1;background:#fff;border-radius:12px;padding:4px;display:flex;gap:3px}.language-switch button{border:0;border-radius:9px;background:none;color:#7d959f;font-weight:800;padding:6px 10px;font-size:12px}.language-switch button.on{background:var(--navy);color:#fff;box-shadow:0 2px 8px #18344622}.top-avatar{width:35px;height:35px;display:grid;place-items:center;border-radius:50%;background:#dcefe8;color:#34746d;font-weight:800;font-size:12px}.content{max-width:1370px;margin:auto;padding:37px clamp(20px,4.4vw,66px) 90px}
.eyebrow{display:flex;gap:9px;align-items:center;font-size:11px;text-transform:uppercase;color:var(--teal);letter-spacing:.18em;font-weight:800;margin-bottom:12px}.eyebrow:before{content:"";display:block;width:22px;height:2px;background:var(--teal)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:15px;margin:0 0 18px}.section-head p{color:var(--sub);margin-top:7px;font-size:13px}.count-hint{background:#eef5f1;border-radius:99px;color:#488077;font-weight:800;font-size:12px;padding:7px 12px;white-space:nowrap}
.hero{background:radial-gradient(circle at 75% 32%,#245b61 0,transparent 48%),linear-gradient(126deg,#0e2434 10%,#173841);border-radius:28px;min-height:247px;color:#fff;display:flex;position:relative;overflow:hidden;padding:38px 40px;box-shadow:0 15px 37px #183e4722}.hero-copy{position:relative;z-index:2;max-width:660px}.hero h1{max-width:650px}.hero h1 em{font-style:normal;color:var(--lime)}.hero p{color:#bfd5d4;font-size:14px;margin-top:15px;max-width:480px}.hero-molecule{position:absolute;right:2%;top:-80px;width:340px;height:360px;opacity:.48;pointer-events:none}.hero-molecule circle{fill:#54d8cc}.hero-molecule line{stroke:#7bded7;stroke-width:2.3}.hero-kicker{color:#baffc8;text-transform:uppercase;letter-spacing:.2em;font-size:10px;font-weight:800;margin-bottom:18px}
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:19px 0 39px}.metric-card{background:#fff;border-radius:19px;border:1px solid #e5ece8;padding:21px 23px;display:flex;justify-content:space-between;align-items:center;box-shadow:0 7px 24px #12304004}.metric-label{font-size:12px;font-weight:700;color:var(--sub)}.metric-number{font-weight:800;font-size:34px;letter-spacing:-.06em;line-height:1.2;margin-top:6px}.metric-unit{font-size:13px;color:#78959a;font-weight:700}.metric-icon{font-size:22px;border-radius:15px;background:#eef8f5;color:#0a8b7a;width:45px;height:45px;display:grid;place-items:center}
.workspace{display:grid;grid-template-columns:minmax(0,1fr) minmax(235px,305px);gap:22px;align-items:start}.card{background:#fff;border:1px solid #e2eae6;border-radius:var(--radius);box-shadow:var(--shadow)}.topic-panel{padding:25px}.topic-panel>.section-head{margin-bottom:15px}.mini-actions{display:flex;gap:14px}.link-button{border:0;background:none;color:var(--teal);font-weight:800;font-size:12px;padding:0}.link-button:hover{text-decoration:underline}.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.topic-tile{position:relative;display:flex;gap:12px;padding:15px 12px;min-height:85px;border-radius:14px;border:1px solid #e3ebe7;background:#fbfcfa;cursor:pointer;transition:background .17s,border .17s,transform .17s;align-items:flex-start}.topic-tile:hover{transform:translateY(-1px);border-color:#75cfc4}.topic-tile.selected{background:#ecfaf5;border-color:#8cd7c7}.topic-checkbox{flex:none;display:grid;place-items:center;width:21px;height:21px;border:1.5px solid #adbfbd;background:#fff;border-radius:7px;margin-top:1px;color:transparent;font-size:15px;font-weight:800}.selected .topic-checkbox{background:#088b7e;border-color:#088b7e;color:#fff}.topic-name{font-size:12.5px;font-weight:800;line-height:1.35}.topic-meta{margin-top:6px;font-size:11px;color:#8a9b9a}.topic-ordinal{font-size:10px;color:#488679;font-weight:800;display:block;margin-bottom:2px}.side-stack{display:grid;gap:16px}.setup-card{padding:24px}.setup-card h3{font-size:19px;margin-bottom:7px}.setup-card .subline{color:var(--sub);font-size:12px;margin-bottom:21px}.field{display:grid;gap:8px;margin-bottom:15px}.field label{font-size:11px;color:#66817e;font-weight:800;text-transform:uppercase;letter-spacing:.1em}.control{width:100%;border:1px solid #dfe9e5;padding:11px 12px;border-radius:11px;background:#fafdfe;color:var(--ink);font-size:13px;font-weight:700;min-height:44px}.setup-stat{display:flex;justify-content:space-between;margin:16px 0 16px;font-size:12px;color:var(--sub)}.setup-stat strong{color:var(--teal)}.btn{border:none;border-radius:12px;padding:12px 17px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:800;font-size:13px;transition:transform .16s,background .16s}.btn:hover:not(:disabled){transform:translateY(-1px)}.btn-primary{background:#0c897d;color:#fff}.btn-primary:hover:not(:disabled){background:#0a736b}.btn-dark{background:#162f40;color:#fff}.btn-light{background:#eaf5f0;color:#0c756a}.btn-ghost{border:1px solid #dfe8e5;background:#fff;color:#45616a}.btn-block{width:100%}.tip-card{border-radius:20px;padding:21px 22px;background:#e8f5ed;border:1px solid #d8eddf;color:#29564c}.tip-card h4{font-size:14px;margin-bottom:7px}.tip-card p{color:#658479;font-size:12px;line-height:1.7}
.empty-inline{color:#8b9b9e;font-size:12px;margin:10px 0}.resume-banner{display:flex;gap:13px;align-items:center;justify-content:space-between;background:#e8f5f1;border:1px solid #bfe9da;border-radius:17px;padding:14px 20px;margin-bottom:21px}.resume-banner p{font-size:12px;color:#477d76}
.page-head{margin-bottom:24px}.page-head h1{font-size:36px}.page-head p{margin-top:8px;color:var(--sub);font-size:13px}.practice-wrap{max-width:890px;margin:0 auto}.practice-head{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:23px}.practice-head h2{font-size:25px}.progress-line{height:7px;border-radius:99px;background:#dcebe6;overflow:hidden;margin-top:18px}.progress-line span{display:block;height:100%;background:linear-gradient(90deg,#0c8d81,#82dfbb);border-radius:99px;transition:width .25s}.question-card{padding:clamp(20px,4vw,42px)}.question-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:25px}.pill{font-size:11px;font-weight:800;color:#527875;background:#eaf5f0;border-radius:99px;padding:6px 10px}.pill.dark{background:#eaf0f2;color:#34566a}.pill.warn{background:#fff4e6;color:#9d6d21}.question-stem{font-size:clamp(18px,2.2vw,23px);font-weight:700;line-height:1.7;white-space:pre-line;margin:0 0 26px;letter-spacing:-.012em;overflow-wrap:anywhere}.question-media{margin:0 0 24px;text-align:center}.question-media img{width:auto;max-height:340px;max-width:100%;border:1px solid #e2eae7;border-radius:12px;cursor:zoom-in}.answer-options{display:grid;gap:11px}.answer-option{width:100%;display:flex;align-items:flex-start;gap:14px;padding:14px 16px;border:1.5px solid #dae4e2;border-radius:14px;background:#fff;color:var(--ink);font-weight:600;text-align:left;transition:.13s;line-height:1.65;font-size:14px;overflow-wrap:anywhere}.answer-option:hover:not(:disabled){background:#f2faf7;border-color:#79bbae}.answer-option:disabled{opacity:1;cursor:default}.answer-key{flex:none;display:grid;place-items:center;border-radius:9px;background:#f0f4f3;width:29px;height:29px;color:#456c6b;font-size:12px;font-weight:800}.answer-option.correct{background:#ebfaf2;border-color:#2eaa7d}.answer-option.correct .answer-key{background:#219b75;color:#fff}.answer-option.wrong{background:#fff1ee;border-color:#df8076}.answer-option.wrong .answer-key{background:#c54d44;color:#fff}.answer-option.dimmed{color:#879998;opacity:.7}.answer-feedback{margin-top:21px;border:1px solid #d9e8e2;background:#f7fbf8;border-radius:17px;padding:22px;animation:appear .2s ease}.answer-feedback.incorrect{background:#fffaf8;border-color:#f0dacf}.feedback-top{display:flex;align-items:center;gap:9px;font-weight:800;color:#1e966b;font-size:16px}.incorrect .feedback-top{color:#b65146}.feedback-top span:first-child{font-size:21px}.explanation{margin:14px 0 15px;font-size:14px;line-height:1.85}.stat-ribbon{border-top:1px solid #e0e9e2;padding-top:14px;color:var(--sub);font-size:12px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}.stat-ribbon strong{color:var(--ink)}.question-footer{border-top:1px solid #eaf0ed;margin-top:26px;padding-top:18px;display:flex;gap:10px;align-items:center;justify-content:space-between}.action-row{display:flex;gap:9px;align-items:center}.text-button{border:0;background:none;color:#678883;font-weight:800;font-size:12px}.text-button:hover{color:var(--teal)}
.insight-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.insight-card{padding:26px}.insight-card h3{margin-bottom:15px}.insight-sub{color:var(--sub);font-size:12px;margin-bottom:22px}.skill-row{display:grid;gap:9px;margin-bottom:17px}.skill-top{display:flex;justify-content:space-between;gap:16px;font-size:12px;font-weight:700}.skill-top span:last-child{color:var(--sub)}.skill-bar{background:#e9efeb;border-radius:99px;height:7px;overflow:hidden}.skill-bar>span{height:100%;display:block;background:#26a98d;border-radius:99px}.skill-bar>span.low{background:#da8561}.note{background:#f3f8f5;border:1px solid #e2ece7;border-radius:13px;padding:15px;font-size:12px;color:#617d77}
.filter-row{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:19px}.filter-pill{background:white;border:1px solid #d9e5df;border-radius:99px;padding:9px 13px;color:#587770;font-weight:800;font-size:12px}.filter-pill.active{background:#133846;color:#fff;border-color:#133846}.mistake-list{display:grid;gap:13px}.mistake-item{background:#fff;border:1px solid #e3eae7;border-radius:16px;padding:17px 20px;display:flex;gap:18px;justify-content:space-between;align-items:center}.mistake-item h4{font-family:"DM Sans";font-size:13px;line-height:1.5;margin:7px 0}.mistake-item p{font-size:11px;color:var(--sub)}
.empty-state{text-align:center;border:1px dashed #cadfd8;border-radius:19px;padding:48px 25px;background:#ffffff8c}.empty-state .empty-symbol{font-size:32px;margin-bottom:13px}.empty-state h3{margin-bottom:8px}.empty-state p{font-size:13px;color:var(--sub);max-width:480px;margin:0 auto 19px}.complete-card{padding:52px 25px;text-align:center}.score-big{font-size:80px;letter-spacing:-.07em;font-weight:800;color:#0d897c;line-height:1.1}.complete-card p{color:var(--sub);margin-top:10px}.complete-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:25px}.complete-grid{max-width:570px;margin:25px auto 0}.long-card{display:grid;grid-template-columns:1fr 170px;align-items:center;gap:22px;padding:30px;overflow:hidden}.long-icon{font-size:92px;text-align:center;filter:grayscale(.4)}.long-card h2{margin-bottom:14px}.long-card p{font-size:14px;color:var(--sub);max-width:540px}.long-tag{display:inline-block;background:#fff1d2;color:#a07119;padding:6px 10px;border-radius:8px;font-size:11px;font-weight:800;margin-bottom:12px}.source-note{margin-top:32px;font-size:11px;color:#899b98;line-height:1.7}.footer{margin-top:38px;padding-top:19px;border-top:1px solid #e0e8e3;color:#92a29e;font-size:11px;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}.modal-backdrop{position:fixed;inset:0;z-index:99;background:#0c1926d9;padding:30px;display:grid;place-items:center}.modal-backdrop img{max-width:95vw;max-height:87dvh;background:#fff;border-radius:8px;object-fit:contain}.modal-close{position:absolute;top:24px;right:24px;border:0;border-radius:50%;width:39px;height:39px;background:#fff;font-size:24px}
@keyframes appear{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:1180px){.workspace{grid-template-columns:minmax(0,1fr)}.side-stack{grid-template-columns:repeat(2,minmax(0,1fr))}.side-stack>*{height:fit-content}.shell{grid-template-columns:215px minmax(0,1fr)}.hero-molecule{opacity:.22}}
@media(max-width:850px){.shell{display:block}.side{display:none}.topbar{height:69px;padding:0 20px}.content{padding:25px 18px 115px}.mobile-bar{position:fixed;bottom:0;left:0;right:0;z-index:30;display:grid;grid-template-columns:repeat(5,1fr);background:#fff;border-top:1px solid #dce9e4;box-shadow:0 -7px 25px #16343912;padding:8px 4px calc(9px + env(safe-area-inset-bottom))}.mobile-bar button{border:0;background:transparent;color:#81938f;display:grid;justify-items:center;gap:3px;font-size:10px;font-weight:800;padding:6px 0}.mobile-bar button .nav-icon{font-size:20px}.mobile-bar button.active{color:#098577}.hero{padding:30px;min-height:235px}.hero h1{font-size:39px}.workspace{gap:18px}.page-head h1{font-size:30px}}
@media(max-width:600px){.hero{padding:29px 24px;min-height:235px;border-radius:22px}.hero h1{font-size:35px}.hero p{font-size:12px}.stats{gap:8px;margin:11px 0 29px}.metric-card{padding:15px 12px;min-width:0;border-radius:14px;display:block}.metric-number{font-size:26px}.metric-icon{display:none}.metric-label{font-size:10px;line-height:1.2;min-height:28px}.metric-unit{font-size:10px}.topic-panel{padding:17px}.topic-grid{grid-template-columns:1fr;gap:8px}.topic-tile{min-height:67px;padding:12px}.side-stack{grid-template-columns:1fr}.setup-card{padding:21px}.breadcrumbs{font-size:11px}.top-avatar{display:none}.practice-head{align-items:start}.question-card{padding:21px 18px}.question-stem{font-size:17px}.answer-option{padding:13px 11px;gap:10px;font-size:13px}.answer-key{width:27px;height:27px}.question-footer{align-items:stretch}.question-footer .action-row{flex-direction:column;align-items:stretch}.question-footer .btn{padding:11px}.insight-grid{grid-template-columns:1fr}.insight-card{padding:20px}.mistake-item{padding:15px;align-items:flex-start;flex-direction:column}.long-card{grid-template-columns:1fr}.long-icon{display:none}.language-switch button{padding:5px 7px}.resume-banner{flex-direction:column;align-items:flex-start}.complete-card{padding:38px 15px}.score-big{font-size:69px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* Original exam-style tables and formatting */
.exam-table-scroll{overflow-x:auto;max-width:100%;margin:4px 0 20px}
.exam-table{border-collapse:collapse;background:#fff;color:#203c44;width:min(100%,600px);font-size:15px;line-height:1.55}
.exam-table th,.exam-table td{border:1px solid #708886;padding:9px 14px;text-align:left;vertical-align:top}
.exam-table th{width:52px;font-weight:800;background:#edf4f1}
.question-followup{font-size:clamp(17px,2.1vw,21px);font-weight:700;line-height:1.55;margin:12px 0 25px}
.question-stem strong,.question-followup strong,.answer-option strong,.exam-table strong{font-weight:900;color:#0e2835}
.receipt-wrap{max-width:1050px}
.receipt-card{padding:clamp(19px,3.5vw,35px);margin-top:21px}
.receipt-card h2{margin:6px 0 7px}
.receipt-date{color:var(--sub);font-size:13px;margin-bottom:22px}
.receipt-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-bottom:22px}
.receipt-fields label{display:grid;gap:7px;color:#526f71;font-size:12px;font-weight:800}
.receipt-fields .control{font-size:14px}
.receipt-id{background:#edf8f2;border:1px solid #cbe6d8;border-radius:15px;padding:19px;display:flex;align-items:center;gap:15px;flex-wrap:wrap;margin-bottom:23px}
.receipt-id>span{font-size:12px;font-weight:800;color:#46776e}
.receipt-id strong{font-family:ui-monospace,Consolas,monospace;font-size:clamp(12px,1.65vw,19px);overflow-wrap:anywhere;flex:1;letter-spacing:.015em;color:#134a45}
.receipt-id .btn{padding:9px 13px}
.receipt-list-heading{margin:20px 0 15px}
.receipt-table-scroll{overflow-x:auto}
.receipt-table{width:100%;border-collapse:collapse;text-align:left;font-size:12px}
.receipt-table th{font-size:11px;color:#557c74;background:#f1f7f4;padding:11px 13px;white-space:nowrap}
.receipt-table td{padding:13px;border-bottom:1px solid #e7efeb;vertical-align:top}
.receipt-table td:first-child{width:38px;color:#91a3a1}
.receipt-table td:nth-child(2){white-space:nowrap}
.receipt-table tr:last-child td{border:0}
.receipt-result{font-weight:800;white-space:nowrap}
.receipt-result.correct{color:#0f916b}
.receipt-result.incorrect{color:#bd5349}
.receipt-result.skipped{color:#aa8b4e}
.receipt-actions{display:flex;gap:11px;flex-wrap:wrap;margin-top:24px}
.receipt-feedback{min-height:22px;color:#087c6f;font-weight:700;font-size:12px;padding:8px 0}
.receipt-feedback.error{color:#b34943}
.receipt-warning{font-size:11px;color:#889994;line-height:1.65;border-top:1px solid #e8efeb;padding-top:13px;margin-top:6px}
.recent-section{margin-top:22px;padding:22px}
.recent-section h3{margin:0 0 10px}
.recent-receipt{padding:14px 0;display:flex;align-items:center;justify-content:space-between;gap:15px;border-top:1px solid #e8efea}
.recent-receipt>span{display:grid;gap:3px;overflow:hidden}
.recent-receipt>span strong{font-size:13px;overflow-wrap:anywhere}
.recent-receipt small{font-size:11px;overflow-wrap:anywhere}
@media(max-width:650px){
 .receipt-fields{grid-template-columns:1fr}
 .receipt-card{margin-top:14px}
 .receipt-id{display:grid;gap:8px}
 .receipt-id strong{font-size:13px}
 .receipt-id .btn{justify-self:start}
 .receipt-actions{display:grid}
 .receipt-table{min-width:585px}
 .exam-table{font-size:13px}
 .exam-table th,.exam-table td{padding:8px}
 .recent-receipt{align-items:flex-start;flex-direction:column}
}

/* Answer matrices (original DSE table-choice format) */
.option-table-scroll{width:100%;max-width:100%;overflow-x:auto;border:1px solid #d7e5df;border-radius:14px}
.option-table{border-collapse:collapse;width:100%;min-width:480px;text-align:left;font-size:13px;line-height:1.45}
.option-table th,.option-table td{padding:13px 16px;border-right:1px solid #dbe9e3;border-bottom:1px solid #dbe9e3}
.option-table td:last-child,.option-table th:last-child{border-right:0}
.option-table tr:last-child td,.option-table tr:last-child th{border-bottom:0}
.option-table thead th{background:#eff7f3;color:#3d6965;font-weight:800}
.option-table tbody th{width:52px;text-align:center;padding:10px;background:#f8fbf9}
.option-table tbody tr.correct td,.option-table tbody tr.correct th{background:#e4f8ed}
.option-table tbody tr.wrong td,.option-table tbody tr.wrong th{background:#ffefec}
.option-table tbody tr.dimmed{color:#849c96}
.table-answer-button{width:34px;height:34px;display:inline-grid;place-items:center;border:1px solid #c2dad1;border-radius:9px;background:#fff;color:#2d6a61;font-weight:800}
.table-answer-button:hover:not(:disabled){background:#e2f7ed;border-color:#5fbca2}
.option-table tbody tr.correct .table-answer-button{background:#1ca67b;color:white}
.option-table tbody tr.wrong .table-answer-button{background:#cb675b;color:white}
.table-answer-button:disabled{cursor:default}
@media(max-width:650px){.option-table{font-size:12px}.option-table th,.option-table td{padding:9px 11px}}

/* Oct 2026: topic-specific practice filters, record management, retakes */
.percent-setting{border:1px solid #deebe5;background:#f8fbf9;border-radius:13px;padding:13px;margin:14px 0 4px}
.percent-toggle{display:flex;align-items:center;gap:10px;font-size:12px;font-weight:800;color:#294e50;cursor:pointer;line-height:1.5}
.percent-toggle input{width:18px;height:18px;accent-color:var(--teal);flex:none}
.percent-entry{margin:14px 0 0;padding-top:12px;border-top:1px solid #deebe5}
.percent-entry[hidden]{display:none}
.percent-entry label{display:block;font-size:12px;color:#516e69;font-weight:800;margin-bottom:7px}
.percent-entry p{color:var(--sub);font-size:11px;margin-top:7px}
.percent-input{display:flex;align-items:center;gap:10px}
.percent-input input{width:100%;max-width:115px;border:1px solid #d4e4dc;border-radius:11px;background:white;padding:9px 12px;font-size:15px;font-weight:800}
.percent-input strong{color:var(--teal)}
.mistake-filters{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:12px 0 14px}
.mistake-filters label{display:grid;gap:7px;color:#5d8179;font-size:12px;font-weight:800}
.mistake-batch{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:17px}
.mistake-batch span{font-weight:700;font-size:12px;color:#728981}
.mistake-item-actions{display:flex;align-items:center;justify-content:flex-end;gap:8px;flex-wrap:wrap}
.mistake-item-actions .btn{font-size:12px}
.receipt-fields{grid-template-columns:repeat(3,minmax(0,1fr))}
.data-management{padding:26px;margin-top:25px}
.data-management h3{font-size:21px;margin-bottom:6px}
.data-management .insight-sub{line-height:1.65;margin-bottom:16px}
.record-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:25px}
.record-clear-header{display:flex;align-items:center;justify-content:space-between;gap:15px;border-top:1px solid #e7eee9;padding-top:21px;margin-bottom:10px}
.record-clear-header strong{font-size:16px}
.record-clear-header span{font-size:12px;color:var(--sub)}
.record-pick-actions{display:flex;gap:16px;margin-bottom:12px}
.clear-topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin:15px 0 19px}
.clear-topic{display:flex;gap:9px;align-items:flex-start;padding:10px;border:1px solid #e2eae5;border-radius:10px;font-size:12px;cursor:pointer;line-height:1.4;color:#3c5d60}
.clear-topic:has(input:checked){background:#eaf6f1;border-color:#7cbda8}
.clear-topic input{accent-color:#0d9181;margin:2px 0 0;flex:none}
.btn-danger{background:#a3423c;color:#fff}
.btn-danger:hover:not(:disabled){background:#8e342e}
.record-safety{font-size:11px;line-height:1.7;margin-top:12px;color:#906d68}
.record-message{padding:12px 14px;border-radius:10px;background:#ecf5ee;color:#256d56;font-weight:700;font-size:12px;margin-top:12px;overflow-wrap:anywhere}
@media(max-width:760px){
 .clear-topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .receipt-fields{grid-template-columns:1fr}
 .mistake-filters{grid-template-columns:1fr}
 .mistake-item-actions{justify-content:flex-start}
}
@media(max-width:480px){
 .clear-topic-grid{grid-template-columns:1fr}
 .record-actions{display:grid}
 .data-management{padding:18px}
 .question-footer .action-row{flex-direction:column;align-items:stretch}
}