*{box-sizing:border-box} :root{--bg:#f5f7fb;--card:#fff;--text:#101828;--muted:#667085;--line:#e4e7ec;--soft:#f2f4f7;--primary:#2563eb;--primary2:#1d4ed8;--green:#12b76a;--amber:#f79009;--danger:#f04438;--shadow:0 12px 35px rgba(16,24,40,.07)} body.dark{--bg:#0b1220;--card:#111a2b;--text:#f8fafc;--muted:#98a2b3;--line:#253249;--soft:#172236;--shadow:0 14px 40px rgba(0,0,0,.25)} body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;min-height:100vh}button,input{font:inherit}button{cursor:pointer}.hidden{display:none!important}.topbar{height:72px;background:var(--card);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:10}.brand{display:flex;align-items:center;gap:12px}.logo{width:38px;height:38px;border-radius:11px;background:var(--primary);color:white;display:grid;place-items:center;font-weight:900;font-size:20px}.brand h1{font-size:16px;margin:0}.brand span{font-size:11px;color:var(--muted);font-weight:700;letter-spacing:.08em}.top-actions{display:flex;align-items:center;gap:9px}.timer-wrap{height:40px;padding:0 14px;border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;gap:8px;font-weight:800;font-variant-numeric:tabular-nums}.timer-dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(18,183,106,.12)}.timer-wrap.warning .timer-dot{background:var(--amber)}.timer-wrap.danger .timer-dot{background:var(--danger);animation:pulse 1s infinite}@keyframes pulse{50%{opacity:.3}}.icon-btn,.outline-btn{height:40px;border:1px solid var(--line);background:var(--card);color:var(--text);border-radius:10px;padding:0 13px;font-weight:700}.icon-btn{width:40px;padding:0;font-size:18px}.outline-btn:hover{background:var(--soft)}main{max-width:1280px;margin:auto;padding:30px 24px 60px}.setup-page{min-height:calc(100vh - 130px);display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:70px}.hero{padding-left:25px}.eyebrow{color:var(--primary);font-size:11px;font-weight:900;letter-spacing:.16em}.hero h2{font-size:clamp(42px,6vw,72px);line-height:.98;letter-spacing:-.055em;margin:14px 0 22px}.hero h2 em{font-style:normal;color:var(--primary)}.hero p{max-width:520px;color:var(--muted);font-size:17px;line-height:1.7}.setup-card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:var(--shadow)}.setup-head{display:flex;justify-content:space-between;align-items:start;margin-bottom:25px}.setup-head h3{margin:0 0 4px;font-size:22px}.setup-head p{margin:0;color:var(--muted);font-size:13px}.badge{font-size:10px;font-weight:900;background:var(--soft);padding:7px 9px;border-radius:8px}.setup-card label:not(.switch-line){display:block;font-size:13px;font-weight:800;margin-bottom:9px}.count-row{display:flex;gap:8px;margin-bottom:22px}.count-row input{width:100%;min-width:0;border:1px solid var(--line);background:var(--soft);color:var(--text);border-radius:10px;text-align:center;font-weight:900;font-size:22px;outline:none}.step{border:1px solid var(--line);background:var(--soft);color:var(--text);border-radius:10px;padding:0 13px;font-weight:800}.switch-line{display:flex!important;align-items:center;gap:10px;margin:14px 0;color:var(--muted);font-size:13px;font-weight:600}.switch-line input{display:none}.switch{width:38px;height:21px;background:#d0d5dd;border-radius:30px;position:relative;transition:.2s}.switch:after{content:"";width:17px;height:17px;background:white;border-radius:50%;position:absolute;left:2px;top:2px;transition:.2s}.switch-line input:checked+.switch{background:var(--primary)}.switch-line input:checked+.switch:after{left:19px}.start-btn{height:46px;border:0;border-radius:10px;background:var(--primary);color:#fff;font-weight:850;padding:0 18px;display:inline-flex;align-items:center;justify-content:center;gap:12px}.start-btn:hover{background:var(--primary2);transform:translateY(-1px)}.setup-card>.start-btn{width:100%;margin-top:12px}.setup-shortcuts{margin-top:18px;text-align:center;color:var(--muted);font-size:11px}.setup-shortcuts kbd,.keyboard-hint kbd,.omr kbd{border:1px solid var(--line);background:var(--soft);border-radius:5px;padding:3px 6px;font-size:10px;font-weight:800}.test-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:20px}.main-panel{min-width:0}.test-status{display:grid;grid-template-columns:150px 1fr 120px;align-items:center;gap:15px;margin-bottom:12px}.test-status>div:first-child{display:flex;align-items:baseline;gap:7px}.label{font-size:10px;font-weight:900;color:var(--muted);letter-spacing:.1em}.test-status strong{font-size:20px}.muted{color:var(--muted);font-size:13px}.progress{height:7px;background:var(--line);border-radius:20px;overflow:hidden}.progress>div{height:100%;width:0;background:var(--primary);transition:.2s}.completion{text-align:right;font-size:12px;color:var(--muted)}.completion strong{font-size:14px}.answer-card,.palette-card{background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.answer-card{padding:25px}.answer-head{display:flex;justify-content:space-between;align-items:center}.state{font-size:10px;font-weight:900;letter-spacing:.08em;color:var(--muted);background:var(--soft);border-radius:20px;padding:7px 10px}.state.answered{background:rgba(18,183,106,.12);color:var(--green)}.mark{border:1px solid var(--line);background:var(--card);color:var(--muted);border-radius:9px;padding:9px 11px;font-size:12px;font-weight:800}.mark.active{color:#a15c00;background:rgba(247,144,9,.1);border-color:rgba(247,144,9,.3)}.question-area{position:relative;min-height:230px;display:flex;flex-direction:column;justify-content:center;overflow:hidden}.question-area h2{font-size:24px;max-width:580px;margin:0 0 10px;position:relative}.question-area p{color:var(--muted);font-size:13px;position:relative}.q-watermark{position:absolute;right:-10px;bottom:-35px;font-size:190px;font-weight:950;color:var(--soft);line-height:1;user-select:none}.omr-options{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.omr{min-height:75px;border:2px solid var(--line);background:var(--card);color:var(--text);border-radius:12px;display:flex;align-items:center;gap:10px;padding:12px;text-align:left;font-weight:800}.omr:hover{border-color:#98a2b3}.omr.selected{border-color:var(--primary);background:rgba(37,99,235,.07)}.bubble{width:36px;height:36px;border-radius:50%;border:2px solid var(--line);display:grid;place-items:center;font-weight:900}.selected .bubble{background:var(--primary);border-color:var(--primary);color:#fff}.omr kbd{margin-left:auto}.nav{display:flex;justify-content:space-between;margin-top:20px}.nav-btn,.next-btn,.review-btn{border-radius:10px;height:43px;padding:0 16px;font-weight:800}.nav-btn{border:1px solid var(--line);background:var(--card);color:var(--text)}.nav-btn:disabled{opacity:.4;cursor:not-allowed}.next-btn,.review-btn{border:0;background:var(--primary);color:#fff}.keyboard-hint{text-align:center;color:var(--muted);font-size:10px;padding:12px}.keyboard-hint span{margin:0 5px}.palette-card{padding:20px;display:flex;flex-direction:column;max-height:calc(100vh - 130px);position:sticky;top:92px}.palette-head{display:flex;justify-content:space-between;align-items:center}.palette-head h3{margin:0 0 3px;font-size:16px}.palette-head span{color:var(--muted);font-size:11px}.filter-btn{border:1px solid var(--line);background:var(--card);color:var(--muted);border-radius:8px;width:34px;height:32px}.filter-btn.active{color:#a15c00;background:rgba(247,144,9,.1)}.legend{display:flex;gap:12px;margin:16px 0;color:var(--muted);font-size:10px}.legend span{display:flex;align-items:center;gap:5px}.legend i{width:8px;height:8px;border-radius:50%}.answered-dot{background:var(--green)}.marked-dot{background:var(--amber)}.empty-dot{background:#d0d5dd}.palette{display:grid;grid-template-columns:repeat(8,1fr);gap:6px;overflow:auto;padding:2px 2px 8px;flex:1}.p-btn{height:34px;border:1px solid var(--line);border-radius:7px;background:var(--soft);color:var(--text);font-size:11px;font-weight:800;position:relative}.p-btn.answered{background:rgba(18,183,106,.12);color:var(--green);border-color:rgba(18,183,106,.25)}.p-btn.marked{box-shadow:inset 0 -3px 0 var(--amber)}.p-btn.current{outline:2px solid var(--primary);outline-offset:1px}.review-btn{width:100%;margin-top:12px}.review-page{max-width:1100px;margin:20px auto}.review-header{display:flex;justify-content:space-between;align-items:end;margin-bottom:24px}.review-header h2{font-size:38px;letter-spacing:-.04em;margin:8px 0}.review-header p{color:var(--muted);margin:0}.review-big{text-align:right}.review-big strong{display:block;font-size:45px;line-height:1}.review-big span{color:var(--muted);font-size:12px}.review-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:15px}.review-stats div{background:var(--card);border:1px solid var(--line);border-radius:13px;padding:18px}.review-stats span{display:block;color:var(--muted);font-size:11px;margin-bottom:5px}.review-stats strong{font-size:25px}.review-actions{display:flex;gap:8px;margin-bottom:18px}.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(125px,1fr));gap:7px}.review-item{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:11px;cursor:pointer}.review-item:hover{border-color:var(--primary)}.review-item.marked{border-color:rgba(247,144,9,.5)}.review-item strong{display:block;font-size:12px}.review-item span{color:var(--muted);font-size:11px}.review-item .ans{color:var(--text);font-weight:800}.toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,15px);opacity:0;background:#101828;color:white;padding:10px 15px;border-radius:9px;font-size:12px;font-weight:700;pointer-events:none;transition:.2s;z-index:50}.toast.show{opacity:1;transform:translate(-50%,0)}@media(max-width:900px){.setup-page{grid-template-columns:1fr;gap:25px;padding:30px 0}.hero{padding:0}.test-layout{grid-template-columns:1fr}.palette-card{position:static;max-height:450px}.omr-options{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.topbar{padding:0 12px}.brand h1{font-size:14px}.brand span{display:none}.top-actions .outline-btn{display:none}main{padding:18px 12px 45px}.test-status{grid-template-columns:120px 1fr}.completion{grid-column:1/-1;text-align:left}.answer-card{padding:17px}.question-area{min-height:220px}.question-area h2{font-size:19px}.q-watermark{font-size:130px}.review-header{align-items:start;gap:15px}.review-header h2{font-size:28px}.review-stats{grid-template-columns:repeat(2,1fr)}.review-actions{flex-wrap:wrap}.review-actions .start-btn{flex:1}.timer-wrap{padding:0 9px}.palette{grid-template-columns:repeat(10,1fr)}}
.timer-settings{display:flex;align-items:center;gap:7px;margin-bottom:16px}.timer-settings input{width:72px;height:42px;border:1px solid var(--line);background:var(--soft);color:var(--text);border-radius:9px;text-align:center;font-weight:850;font-size:16px;outline:none}.timer-settings span{font-weight:900;color:var(--muted)}.checking-card{background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:24px}.check-top{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px;font-weight:800}.check-state{background:var(--soft);padding:7px 10px;border-radius:20px;font-size:10px}.check-state.correct{background:rgba(18,183,106,.12);color:var(--green)}.check-state.incorrect{background:rgba(240,68,56,.1);color:var(--danger)}.check-main{position:relative;min-height:310px;display:flex;flex-direction:column;justify-content:center}.check-main h2,.check-main p{position:relative}.check-main p{color:var(--muted);font-size:13px}.check-watermark{position:absolute;right:0;bottom:-25px;font-size:190px;font-weight:950;color:var(--soft);line-height:1}.result-options{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px;position:relative}.result-btn{min-height:105px;border:2px solid var(--line);background:var(--card);color:var(--text);border-radius:14px;display:grid;grid-template-columns:44px 1fr auto;align-items:center;text-align:left;gap:12px;padding:15px}.result-btn span{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;font-size:21px}.result-btn b{font-size:16px}.result-btn small{color:var(--muted);font-weight:800}.result-btn.correct:hover,.result-btn.correct.active{border-color:var(--green);background:rgba(18,183,106,.07)}.result-btn.correct span{background:rgba(18,183,106,.12);color:var(--green)}.result-btn.incorrect:hover,.result-btn.incorrect.active{border-color:var(--danger);background:rgba(240,68,56,.06)}.result-btn.incorrect span{background:rgba(240,68,56,.1);color:var(--danger)}.check-nav{display:flex;justify-content:space-between;margin-top:20px}.checking-summary{margin-top:14px;color:var(--muted);font-size:12px}.results-hero{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:var(--shadow);display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.results-hero h2{font-size:38px;letter-spacing:-.04em;margin:8px 0 0}.score-box{text-align:right}.score-box strong{display:block;font-size:38px}.score-box span{color:var(--muted);font-size:12px}.result-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:15px}.result-stats div{background:var(--card);border:1px solid var(--line);border-radius:13px;padding:18px}.result-stats span{display:block;color:var(--muted);font-size:11px;margin-bottom:5px}.result-stats strong{font-size:25px}.result-item{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:11px}.result-item.correct{border-color:rgba(18,183,106,.45)}.result-item.incorrect{border-color:rgba(240,68,56,.4)}.result-item .result-label{font-size:11px;font-weight:900}.result-item .result-answer{display:block;color:var(--muted);font-size:11px;margin-top:4px}.result-item.correct .result-label{color:var(--green)}.result-item.incorrect .result-label{color:var(--danger)}
@media(max-width:600px){.timer-settings input{width:65px}.result-options{grid-template-columns:1fr}.results-hero{align-items:start;gap:15px}.results-hero h2{font-size:28px}.score-box strong{font-size:28px}.result-stats{grid-template-columns:repeat(2,1fr)}.review-actions .outline-btn,.review-actions .start-btn{flex:1}}

.subjective-answer{margin-top:24px;border:1px solid var(--line);border-radius:14px;background:var(--soft);overflow:hidden}
.subjective-answer textarea{display:block;width:100%;min-height:170px;resize:vertical;border:0;outline:0;background:transparent;color:var(--text);padding:20px;font:inherit;font-size:16px;line-height:1.6}
.subjective-answer textarea::placeholder{color:var(--muted)}
.answer-input-footer{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding:9px 13px;color:var(--muted);font-size:11px;font-weight:800}
.typed-answer-preview{white-space:pre-wrap;word-break:break-word;background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:16px;margin:18px 0;max-height:220px;overflow:auto;line-height:1.55;font-size:14px;min-height:60px}

.practice-type-card{margin:0 0 22px}
.setup-label{font-size:11px;font-weight:900;letter-spacing:.12em;color:var(--muted);margin-bottom:10px}
.practice-type-options{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.type-choice{appearance:none;text-align:left;border:1px solid var(--line);background:var(--soft);color:var(--text);border-radius:16px;padding:16px;cursor:pointer;transition:.18s}
.type-choice:hover{transform:translateY(-1px)}
.type-choice.active{border-color:var(--text);box-shadow:0 0 0 2px var(--text)}
.type-choice .type-icon{display:block;font-size:19px;margin-bottom:9px;letter-spacing:2px}
.type-choice strong{display:block;font-size:14px}
.type-choice small{display:block;color:var(--muted);font-size:11px;margin-top:4px}
.objective-answer{margin-top:24px}
.subjective-answer{margin-top:24px}
@media(max-width:650px){.practice-type-options{grid-template-columns:1fr}}