:root{color:#1b2430;background:#f3f6fb;--brand-blue: #0f4fb2;--brand-blue-dark: #0a2f73;--brand-red: #ec1f24;--brand-gray: #55565a;--brand-ink: #151922;--surface: #ffffff;--line: #d8e0eb;--soft-blue: #eef5ff;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,input{font:inherit}button{border:0;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}code{border-radius:4px;background:#e9eef6;padding:.08rem .3rem}.app-shell{min-height:100vh;padding:24px}.workspace{width:min(1180px,100%);margin:0 auto}.status-text,.empty-panel,.error-box,.setup-panel,.login-card,.parts-panel,.admin-panel,.account-panel,.password-gate,.results-panel,.question-card,.quiz-sidebar{border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:0 16px 36px 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360px;align-items:center;gap:28px;min-height:calc(100vh - 48px)}.login-copy{max-width:680px}.login-copy p{color:var(--brand-gray);font-size:1.04rem;line-height:1.6}.login-card,.setup-panel{padding:22px}.login-card label{display:block;margin-bottom:8px;font-weight:800}.login-card input{width:100%;min-height:44px;margin-bottom:12px;border:1px solid #bac7d8;border-radius:6px;padding:0 12px}.login-card button{width:100%}.form-message{margin:12px 0 0;color:var(--brand-blue)}.login-hint{margin:10px 0 0;color:var(--brand-gray);font-size:.9rem;line-height:1.4}.setup-panel{max-width:760px;margin:60px auto 0;line-height:1.7}.password-gate{max-width:520px;margin:50px auto 0;padding:22px}.password-gate p{color:var(--brand-gray)}.account-panel{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center;margin-bottom:18px;padding:16px}.account-panel h2{margin-bottom:0;overflow-wrap:anywhere}.account-panel .password-form{grid-column:1 / 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#bac7d8;border-radius:6px;background:#fff;padding:0 10px}.admin-panel button{min-height:42px;border-radius:6px;background:var(--brand-red);color:#fff;padding:0 14px;font-weight:800}.domain-tile{display:flex;min-height:156px;flex-direction:column;justify-content:space-between;border:1px solid var(--line);border-top:6px solid var(--accent);border-radius:8px;background:#fff;padding:14px;color:#1b2430;text-align:left}.domain-tile.active{outline:3px solid color-mix(in srgb,var(--accent),transparent 70%)}.domain-tile span{color:var(--accent);font-weight:900}.domain-tile strong{font-size:1.02rem;line-height:1.25}.domain-tile em,.part-card em{color:var(--brand-gray);font-size:.9rem;font-style:normal}.parts-panel,.results-panel{padding:18px}.section-title{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:14px}.section-title p{margin-bottom:0;color:var(--brand-gray)}.parts-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px}.part-card{display:grid;gap:8px;border:1px solid var(--line);border-radius:8px;background:#f8fbff;padding:14px;color:#1b2430;text-align:left}.part-card:hover,.domain-tile:hover{border-color:#a7bde1}.quiz-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:16px}.quiz-sidebar{align-self:start;padding:14px}.quiz-sidebar strong{display:block;font-size:1.6rem}.quiz-sidebar span{display:block;margin-top:4px;color:var(--brand-gray)}.question-dots{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;margin-top:16px}.question-dots button{aspect-ratio:1;border-radius:5px;background:#e8eef8;color:var(--brand-blue-dark);font-size:.8rem;font-weight:800}.question-dots .current{background:var(--brand-blue);color:#fff}.question-dots .correct{background:#dbeafe;color:var(--brand-blue-dark)}.question-dots 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p{flex-basis:100%;margin-bottom:4px;color:var(--brand-gray)}.manual-answer button{width:44px;height:38px;border-radius:6px;background:#e8eef8;font-weight:900}.manual-answer .selected-key{background:var(--brand-blue);color:#fff}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.feedback{margin-top:16px;border-radius:8px;padding:14px;line-height:1.6}.feedback.good{background:#e9f2ff;color:var(--brand-blue-dark)}.feedback.bad{background:#fff0f0;color:#a3181c}.feedback.neutral{background:#f2f4f8;color:var(--brand-gray)}.results-panel{margin-top:16px}.results-panel ul{margin-bottom:0}.review-list{display:grid;gap:12px;margin-top:16px}.review-item{border:1px solid var(--line);border-left:6px solid 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