:root{font-family:Inter,"Segoe UI",Arial,sans-serif;color:#203a33;background:#f5f6f1;font-synthesis:none;--green:#205846;--muted:#6d7c72;--line:#dde3d8;--paper:#fff;--accent:#d7e99e}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit}button:disabled{opacity:.5;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #9aac59;outline-offset:4px}.topbar{max-width:1320px;margin:auto;padding:27px 48px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);gap:24px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-size:24px;font-weight:750;letter-spacing:-1px}.brand-icon{display:inline-grid;place-items:center;width:42px;height:42px;background:var(--green);color:#e7edcf;border-radius:12px;font-size:30px}.brand-sub{font-size:11px;letter-spacing:.02em;font-weight:500;color:var(--muted);margin-left:10px;border-left:1px solid var(--line);padding-left:22px;max-width:130px;line-height:1.5}.topbar nav{display:flex;gap:20px}.nav-button{border:0;background:none;padding:12px 5px;color:var(--green);font-size:14px}.nav-button:hover{text-decoration:underline}main{max-width:1224px;min-height:calc(100vh - 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32px);color:inherit;background:#fff;box-shadow:0 20px 100px #10271833}dialog::backdrop{background:#10271b70;backdrop-filter:blur(3px)}dialog h2{line-height:1.4}.text-field{display:flex;flex-direction:column;gap:10px;margin:20px 0;font-size:14px;line-height:1.6}input:not([type=radio]):not([type=checkbox]):not([type=file]),select,textarea{width:100%;border:1px solid #cdd8c7;background:#fbfcf8;border-radius:8px;padding:13px 14px;color:inherit}textarea{resize:vertical;line-height:1.7}.actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.player-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:28px;align-items:start}.test-sidebar{padding:26px 23px;border:1px solid var(--line);border-radius:14px;background:#edf1e5;position:sticky;top:20px}.clock{font-size:43px;font-variant-numeric:tabular-nums;letter-spacing:-1px}.clock.urgent{color:#ab432b}.question-nav{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;margin:25px 0 18px}.question-button{height:33px;padding:0;border:1px solid #d5decb;background:#fff;border-radius:5px;color:var(--green);font-size:12px}.question-button.answered{background:#d9e7b8}.question-button.current{background:var(--green);color:white;border-color:var(--green)}.save-state{font-size:11px;line-height:1.5;color:var(--muted);min-height:32px}.full{width:100%;margin-top:10px;font-size:12px;padding:11px}.question-card{background:white;border:1px solid var(--line);border-radius:15px;padding:34px;min-height:440px}.question-top .eyebrow{margin:0}.question-prompt{font-size:25px;line-height:1.5;white-space:pre-line;letter-spacing:-.4px;margin:28px 0}.choices{display:flex;flex-direction:column;gap:11px}.choice{display:flex;align-items:center;gap:15px;padding:16px;border:1px solid var(--line);border-radius:9px;font-size:15px;line-height:1.6;cursor:pointer}.choice:has(input:checked){border-color:#6b8a51;background:#f0f5e5}.choice input{accent-color:var(--green);width:16px;height:16px;flex-shrink:0}.option-letter{font-size:12px;color:var(--muted)}.question-actions{border-top:1px solid var(--line);padding-top:24px;margin-top:32px;display:flex;justify-content:space-between;gap:16px}.match-row{display:grid;grid-template-columns:1.2fr 1fr;align-items:center;gap:20px;border-bottom:1px solid var(--line);padding:16px 0;font-size:14px;line-height:1.6}.numeric-row{display:grid;grid-template-columns:1fr 1fr;gap:15px}.numeric-row label{display:flex;flex-direction:column;gap:8px}.result-banner{display:flex;align-items:center;gap:34px;background:#e8efdb;border:1px solid #d9e3c9;border-radius:16px;padding:32px;margin-bottom:24px}.score-big{font-size:54px;letter-spacing:-2px;white-space:nowrap;font-weight:550}.result-banner p{font-size:14px;line-height:1.6;color:var(--muted)}.review-card{background:white;border:1px solid var(--line);border-radius:12px;margin:18px 0;padding:28px}.review-card h3{line-height:1.6;white-space:pre-line;font-size:18px}.answer-text{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;line-height:1.8}.solution{background:#f5f7ef;border-radius:8px;padding:16px;margin-top:20px}.solution summary{cursor:pointer;font-size:13px;font-weight:600}.criterion{display:flex;align-items:flex-start;gap:12px;font-size:14px;line-height:1.7;margin:20px 0}.criterion input{width:18px;height:18px;accent-color:var(--green);flex-shrink:0}.review-bar{position:sticky;bottom:16px;display:flex;align-items:center;justify-content:space-between;gap:20px;background:#e8efdb;border:1px solid #c6d1b7;padding:20px;border-radius:12px;font-size:13px;box-shadow:0 8px 30px #203a3315}.teacher-comment{border-left:3px solid #b7c993;padding:10px 16px;font-size:14px;line-height:1.7}.login-card{background:white;max-width:450px;padding:32px;border:1px solid var(--line);border-radius:14px}.upload-card{background:#edf2e4;border:1px dashed #aebe99;text-align:center;padding:36px;border-radius:14px;margin:28px 0}.upload-symbol{font-size:36px}.upload-card.dragging{background:#d7e99e}.file-label{display:inline-flex;flex-direction:column;gap:14px;align-items:center;font-size:14px;font-weight:600;color:var(--green);margin:15px 0}input[type=file]{max-width:100%;font-size:12px}input[type=file]::file-selector-button{border:1px solid #bccda8;background:white;padding:12px;border-radius:8px;color:var(--green);cursor:pointer;margin-right:12px}.list{background:white;border:1px solid var(--line);border-radius:12px;overflow:hidden;margin:20px 0 40px}.list-row{display:flex;align-items:center;gap:20px;padding:20px 24px;border-bottom:1px solid var(--line)}.list-row:last-child{border-bottom:0}.list-row>div{flex:1}.list-row strong{font-size:14px;font-weight:600}.list-row p{margin:6px 0 0}.section-heading{margin-top:38px}.empty{text-align:center;padding:32px;font-size:14px}.error{color:#ab432b;line-height:1.7}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#243f33;color:white;box-shadow:0 8px 30px #203a3320;padding:16px 24px;border-radius:10px;z-index:100;max-width:calc(100vw - 32px);width:max-content;font-size:14px;line-height:1.6}[hidden]{display:none!important}@media(max-width:1000px){.test-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.brand-sub{display:none}.player-layout{grid-template-columns:200px minmax(0,1fr)}.question-card{padding:25px}}@media(max-width:700px){.topbar{padding:18px 20px;gap:15px}.brand{font-size:21px}.brand-icon{width:35px;height:35px;font-size:25px}.topbar nav{gap:12px}.nav-button{font-size:12px}.topbar nav .nav-button:first-child{display:none}main{padding:34px 18px 50px}.test-grid{grid-template-columns:1fr}.test-card{min-height:310px;padding:24px}.test-card h3{margin-top:20px}.info-strip{line-height:1.7;margin-bottom:30px}.player-layout{display:flex;flex-direction:column;gap:18px}.test-sidebar{position:static;width:100%;padding:20px}.clock{font-size:34px}.question-nav{grid-template-columns:repeat(10,1fr);margin:18px 0}.question-card{width:100%;padding:22px}.question-prompt{font-size:20px}.question-top{flex-wrap:wrap}.match-row{grid-template-columns:1fr;gap:12px}.result-banner{flex-direction:column;align-items:flex-start;gap:0;padding:24px}.score-big{font-size:46px}.review-card{padding:22px}.review-bar,.list-row,.resume{flex-wrap:wrap}.list-row>div{flex-basis:100%}.review-bar{position:static}.brand-sub{display:none}footer{gap:20px}.text-link{white-space:normal}.choice{padding:13px;gap:10px}.method-note{padding:24px 0}.question-actions .button{padding:11px 14px}.actions .button{font-size:12px}}


#account-nav{max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.history{margin:32px 0}.history .list{margin-bottom:24px}@media(max-width:700px){.topbar nav{gap:8px}.nav-button{font-size:11px}#account-nav{max-width:140px}.topbar nav .nav-button:first-child{display:inline-block}.topbar nav #home-nav{display:none}}

@media(max-width:420px){.topbar{flex-wrap:wrap}.topbar nav{width:100%;justify-content:space-between}#account-nav{max-width:220px}}

.reward-settings{display:grid;grid-template-columns:1fr 1fr;gap:20px;text-align:left;max-width:560px;margin:auto}.reward-banner{background:#f2edce;border:1px solid #e2d79d;border-radius:12px;padding:22px 28px;margin:24px 0}.reward-banner h2{margin-top:0}.reward-note{background:#edf2e4;padding:15px;border-radius:8px;font-size:14px;line-height:1.6}.card-top{flex-wrap:wrap}@media(max-width:480px){.reward-settings{grid-template-columns:1fr;gap:0}}