@import"https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=Source+Serif+4:ital,wght@0,400;0,600;0,700;1,400&display=swap";*{margin:0;padding:0;box-sizing:border-box}:root{--bg: #0c1222;--bg2: #131b2e;--card: #182136;--card-hover: #1f2b45;--border: #2a3654;--border-light: #374868;--accent: #e8a838;--accent2: #f0c060;--correct: #34d399;--correct-bg: rgba(52,211,153,.1);--incorrect: #f87171;--incorrect-bg: rgba(248,113,113,.1);--text: #e1e7f0;--text2: #94a3b8;--text3: #64748b;--marked: #a78bfa;--marked-bg: rgba(167,139,250,.12);--radius: 12px;--radius-sm: 8px;--shadow: 0 4px 24px rgba(0,0,0,.3)}html,body,#root{height:100%;background:var(--bg);color:var(--text)}body{font-family:Outfit,sans-serif;line-height:1.6}.app{max-width:860px;margin:0 auto;padding:24px 20px 100px;min-height:100vh}.app-header{text-align:center;padding:36px 0 12px}.app-header h1{font-family:"Source Serif 4",serif;font-size:2rem;font-weight:700;color:var(--accent);letter-spacing:-.5px}.app-header p{color:var(--text2);font-size:.95rem;margin-top:4px}.tabs{display:flex;gap:4px;background:var(--bg2);border-radius:var(--radius);padding:4px;margin:24px 0;border:1px solid var(--border)}.tab-btn{flex:1;padding:12px 8px;border:none;background:transparent;color:var(--text2);font-family:Outfit,sans-serif;font-size:.88rem;font-weight:500;border-radius:var(--radius-sm);cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:6px}.tab-btn:hover{color:var(--text);background:var(--card)}.tab-btn.active{background:var(--accent);color:#0c1222;font-weight:600;box-shadow:0 2px 8px #e8a8384d}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin-bottom:16px}.filter-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}.filter-pill{padding:8px 18px;border-radius:99px;border:1px solid var(--border);background:var(--bg2);color:var(--text2);font-family:Outfit,sans-serif;font-size:.85rem;font-weight:500;cursor:pointer;transition:all .2s}.filter-pill:hover{border-color:var(--accent);color:var(--text)}.filter-pill.active{background:#e8a83826;border-color:var(--accent);color:var(--accent)}.q-category{font-size:.78rem;font-weight:600;text-transform:uppercase;letter-spacing:1.2px;color:var(--accent);margin-bottom:8px}.q-text{font-family:"Source Serif 4",serif;font-size:1.2rem;font-weight:600;line-height:1.5;margin-bottom:20px;color:var(--text)}.q-badge{display:inline-block;padding:3px 10px;border-radius:99px;font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;margin-left:8px;vertical-align:middle}.q-badge.mc{background:#60a5fa26;color:#60a5fa}.q-badge.sc{background:#a78bfa1f;color:#a78bfa}.options-list{display:flex;flex-direction:column;gap:10px}.option-btn{display:flex;align-items:flex-start;gap:14px;padding:16px 18px;border-radius:var(--radius-sm);border:2px solid var(--border);background:var(--bg2);color:var(--text);font-family:Outfit,sans-serif;font-size:.95rem;text-align:left;cursor:pointer;transition:all .2s;line-height:1.5;width:100%}.option-btn:hover:not(.locked){border-color:var(--border-light);background:var(--card)}.option-btn.selected{border-color:var(--accent);background:#e8a83814}.option-btn.locked{cursor:default}.option-btn.correct-answer{border-color:var(--correct);background:var(--correct-bg)}.option-btn.wrong-answer{border-color:var(--incorrect);background:var(--incorrect-bg)}.option-indicator{width:24px;height:24px;min-width:24px;border-radius:6px;border:2px solid var(--border-light);display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;margin-top:1px;transition:all .2s;color:var(--text3)}.option-btn.selected .option-indicator{border-color:var(--accent);background:var(--accent);color:#0c1222}.option-btn.correct-answer .option-indicator{border-color:var(--correct);background:var(--correct);color:#0c1222}.option-btn.wrong-answer .option-indicator{border-color:var(--incorrect);background:var(--incorrect);color:#fff}.option-content{flex:1}.option-text{font-weight:500}.option-feedback{margin-top:8px;font-size:.85rem;color:var(--text2);line-height:1.5;padding-top:8px;border-top:1px solid var(--border)}.btn{padding:12px 28px;border-radius:var(--radius-sm);border:none;font-family:Outfit,sans-serif;font-size:.92rem;font-weight:600;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;gap:8px}.btn:disabled{opacity:.5;cursor:default}.btn-primary{background:var(--accent);color:#0c1222}.btn-primary:hover:not(:disabled){background:var(--accent2);transform:translateY(-1px);box-shadow:0 4px 12px #e8a8384d}.btn-secondary{background:var(--card);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{border-color:var(--border-light);background:var(--card-hover)}.btn-mark{background:var(--marked-bg);color:var(--marked);border:1px solid rgba(167,139,250,.3)}.btn-mark:hover{background:#a78bfa33}.btn-mark.active{background:var(--marked);color:#0c1222}.btn-danger{background:#f871711f;color:var(--incorrect);border:1px solid rgba(248,113,113,.25)}.btn-danger:hover{background:#f8717133}.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.action-bar{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;margin-top:20px;padding-top:16px;border-top:1px solid var(--border)}.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;margin-bottom:20px}.stat-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:18px;text-align:center}.stat-value{font-size:2rem;font-weight:800;color:var(--accent);line-height:1.2}.stat-label{font-size:.78rem;color:var(--text2);text-transform:uppercase;letter-spacing:1px;margin-top:4px}.progress-bar{height:8px;background:var(--bg);border-radius:99px;overflow:hidden;margin:8px 0}.progress-fill{height:100%;border-radius:99px;transition:width .5s ease}.test-progress{display:flex;gap:4px;flex-wrap:wrap;margin-bottom:20px}.test-dot{width:32px;height:6px;border-radius:99px;background:var(--border);transition:all .3s}.test-dot.current{background:var(--accent)}.test-dot.answered{background:var(--text3)}.test-dot.correct{background:var(--correct)}.test-dot.wrong{background:var(--incorrect)}.result-card{text-align:center;padding:40px 24px}.result-score{font-size:4rem;font-weight:800;line-height:1;margin:16px 0}.result-score.good{color:var(--correct)}.result-score.ok{color:var(--accent)}.result-score.bad{color:var(--incorrect)}.share-bar{display:flex;align-items:center;gap:10px;margin-top:12px}.share-input{flex:1;padding:8px 12px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-family:Outfit,sans-serif;font-size:.85rem}.empty-state{text-align:center;padding:60px 24px;color:var(--text2)}.empty-state .icon{font-size:3rem;margin-bottom:16px;opacity:.5}.empty-state h3{color:var(--text);font-size:1.1rem;margin-bottom:8px}.test-entry{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:8px}.test-entry-score{font-weight:700;font-size:1.1rem}.cat-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--border)}.cat-row:last-child{border-bottom:none}.cat-name{font-weight:500;font-size:.92rem;flex:1}.cat-stats{display:flex;gap:16px;font-size:.85rem;color:var(--text2)}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);padding:12px 24px;border-radius:var(--radius-sm);font-size:.9rem;font-weight:500;z-index:200;animation:toastIn .3s ease}.toast.success{background:var(--correct);color:#0c1222}.toast.info{background:var(--accent);color:#0c1222}@keyframes toastIn{0%{opacity:0;transform:translate(-50%) translateY(20px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;color:var(--text2);gap:16px}.spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;text-align:center;gap:12px}.error-screen h2{color:var(--incorrect);font-size:1.2rem}.error-screen p{color:var(--text2);max-width:500px;font-size:.9rem}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:99px}@media (max-width: 600px){.app{padding:12px 12px 80px}.app-header h1{font-size:1.5rem}.stat-grid{grid-template-columns:repeat(2,1fr)}.tab-btn{font-size:.78rem;padding:10px 4px}.q-text{font-size:1.05rem}}