:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:16px}}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}#social .button-icon{filter:invert()brightness(2)}}#root{text-align:center;border-inline:1px solid var(--border);box-sizing:border-box;flex-direction:column;width:1126px;max-width:100%;min-height:100svh;margin:0 auto;display:flex}body{margin:0}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0;font-size:56px}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}.home-page{max-width:800px;margin:0 auto;padding:2rem;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}.home-header{text-align:center;margin-bottom:2rem}.home-header h1{color:#1a1a1a;margin-bottom:.5rem;font-size:2.5rem}.home-header p{color:#666;font-size:1.1rem}.stats-bar{background:#f8f9fa;border-radius:12px;justify-content:center;gap:3rem;margin-bottom:2rem;padding:1.5rem;display:flex}.stat-item{text-align:center}.config-section{background:#fff;border:1px solid #e5e7eb;border-radius:12px;margin-bottom:2rem;padding:1.5rem}.config-section h2{color:#1a1a1a;margin-bottom:1.5rem;font-size:1.25rem}.config-group{align-items:center;margin-bottom:1rem;display:flex}.config-group label{color:#374151;width:100px;font-weight:500}.config-group input[type=range]{flex:1;margin:0 1rem}.config-group select{border:1px solid #d1d5db;border-radius:6px;flex:1;padding:.5rem;font-size:1rem}.config-value{text-align:right;color:#2563eb;min-width:60px;font-weight:600}.action-buttons{justify-content:center;gap:1rem;margin-bottom:2rem;display:flex}.btn-secondary{color:#fff;background:#10b981}.mode-description{grid-template-columns:1fr 1fr;gap:1rem;display:grid}.mode-card{background:#f9fafb;border:1px solid #e5e7eb;border-radius:8px;padding:1rem}.mode-card h3{color:#1a1a1a;margin-bottom:.5rem;font-size:1rem}.mode-card p{color:#666;margin:0;font-size:.875rem}.exam-page{max-width:800px;margin:0 auto;padding:1rem;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}.exam-header{justify-content:space-between;align-items:center;margin-bottom:1rem;display:flex}.exam-header h2{color:#1a1a1a;margin:0;font-size:1.5rem}.option-item:hover{background:#f0f9ff;border-color:#93c5fd}.navigation{justify-content:space-between;align-items:center;display:flex}.question-dots{flex-wrap:wrap;justify-content:center;gap:.375rem;max-width:400px;display:flex}.dot{cursor:pointer;background:#e5e7eb;border-radius:50%;width:10px;height:10px;transition:all .2s}.dot.answered{background:#10b981}.dot.current{background:#2563eb;transform:scale(1.2)}.submit-btn{color:#fff;cursor:pointer;background:#2563eb;border:none;border-radius:6px;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;transition:all .2s}.submit-btn:hover:not(:disabled){background:#1d4ed8}.submit-btn:disabled{opacity:.7;cursor:not-allowed}.practice-page{max-width:800px;margin:0 auto;padding:1rem;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}.practice-header{justify-content:space-between;align-items:center;margin-bottom:1rem;display:flex}.practice-header h2{color:#1a1a1a;margin:0;font-size:1.5rem}.progress-info{color:#666;font-size:.875rem}.progress-bar{background:#e5e7eb;border-radius:3px;height:6px;margin-bottom:1.5rem;overflow:hidden}.progress-fill{background:#10b981;height:100%;transition:width .3s}.question-card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;margin-bottom:1.5rem;padding:1.5rem}.question-number{color:#666;margin-bottom:1rem;font-size:.875rem}.question-type{color:#059669;background:#d1fae5;border-radius:4px;margin-left:.5rem;padding:.125rem .5rem;font-size:.75rem}.question-text{color:#1a1a1a;margin-bottom:1.5rem;font-size:1.125rem;line-height:1.6}.options{flex-direction:column;gap:.75rem;display:flex}.option-item{cursor:pointer;border:2px solid #e5e7eb;border-radius:8px;align-items:flex-start;padding:1rem;transition:all .2s;display:flex}.option-item:hover:not(:disabled){background:#f0f9ff;border-color:#93c5fd}.option-item.selected{background:#eff6ff;border-color:#2563eb}.option-item.correct{background:#d1fae5;border-color:#10b981}.option-item.incorrect{background:#fee2e2;border-color:#ef4444}.option-item input{margin-top:.25rem;margin-right:.75rem}.option-key{color:#2563eb;margin-right:.5rem;font-weight:600}.option-text{flex:1;line-height:1.5}.feedback{text-align:center;border-radius:8px;margin-top:1rem;padding:1rem;font-weight:600}.feedback.correct{color:#059669;background:#d1fae5}.feedback.incorrect{color:#dc2626;background:#fee2e2}.navigation{justify-content:space-between;align-items:center;gap:1rem;display:flex}.nav-btn{cursor:pointer;background:#fff;border:1px solid #d1d5db;border-radius:6px;padding:.75rem 1.5rem;font-size:1rem;transition:all .2s}.nav-btn:hover:not(:disabled){background:#f9fafb;border-color:#9ca3af}.nav-btn:disabled{opacity:.5;cursor:not-allowed}.nav-btn.primary{color:#fff;background:#2563eb;border:none}.nav-btn.primary:hover{background:#1d4ed8}.confirm-btn{color:#fff;cursor:pointer;background:#10b981;border:none;border-radius:6px;padding:.75rem 2rem;font-size:1rem;font-weight:600;transition:all .2s}.confirm-btn:hover:not(:disabled){background:#059669}.confirm-btn:disabled{opacity:.5;cursor:not-allowed}.practice-summary{text-align:center;margin-top:2rem}.finish-btn{color:#666;cursor:pointer;background:0 0;border:1px solid #d1d5db;border-radius:6px;padding:.5rem 1rem;font-size:.875rem}.finish-btn:hover{background:#f9fafb}.result-card{text-align:center;background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:2rem}.result-card h2{color:#1a1a1a;margin-bottom:1.5rem;font-size:1.5rem}.stat{text-align:center}.stat-value{color:#1a1a1a;font-size:2rem;font-weight:700;display:block}.stat-value.correct{color:#10b981}.stat-value.incorrect{color:#ef4444}.stat-label{color:#666;font-size:.875rem}.btn-primary{color:#fff;cursor:pointer;background:#2563eb;border:none;border-radius:6px;padding:.75rem 2rem;font-size:1rem;font-weight:600}.loading{text-align:center;color:#666;padding:3rem;font-size:1.125rem}.result-page{max-width:800px;margin:0 auto;padding:1rem;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}.result-header{text-align:center;margin-bottom:2rem}.result-header h1{color:#1a1a1a;margin-bottom:1rem;font-size:2rem}.score-card{text-align:center;border-radius:12px;padding:1.5rem 3rem;display:inline-block}.score-card.excellent{color:#fff;background:linear-gradient(135deg,#10b981,#059669)}.score-card.good{color:#fff;background:linear-gradient(135deg,#3b82f6,#2563eb)}.score-card.pass{color:#fff;background:linear-gradient(135deg,#f59e0b,#d97706)}.score-card.fail{color:#fff;background:linear-gradient(135deg,#ef4444,#dc2626)}.score-value{font-size:3rem;font-weight:700;display:block}.score-label{opacity:.9;font-size:1rem}.result-stats{justify-content:center;gap:2rem;margin-bottom:2rem;display:flex}.stat-card{text-align:center;background:#fff;border:1px solid #e5e7eb;border-radius:8px;min-width:80px;padding:1rem 1.5rem}.stat-card .stat-value{color:#1a1a1a;font-size:1.5rem;font-weight:700;display:block}.stat-card.correct .stat-value{color:#10b981}.stat-card.incorrect .stat-value{color:#ef4444}.stat-card .stat-label{color:#666;font-size:.875rem}.result-actions{justify-content:center;gap:1rem;margin-bottom:2rem;display:flex}.btn-primary,.btn-secondary{cursor:pointer;border:none;border-radius:8px;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;transition:all .2s}.btn-primary{color:#fff;background:#2563eb}.btn-primary:hover{background:#1d4ed8}.btn-secondary{color:#374151;background:#fff;border:1px solid #d1d5db}.btn-secondary:hover{background:#f9fafb}.result-details h2{color:#1a1a1a;margin-bottom:1rem;font-size:1.25rem}.filter-badge{color:#ef4444;margin-left:.5rem;font-size:.875rem;font-weight:400}.result-item{background:#fff;border:1px solid #e5e7eb;border-radius:8px;margin-bottom:1rem;padding:1rem}.result-item.correct{border-left:4px solid #10b981}.result-item.incorrect{border-left:4px solid #ef4444}.result-item-header{justify-content:space-between;align-items:center;margin-bottom:.5rem;display:flex}.result-number{color:#666;font-size:.875rem}.result-badge{border-radius:4px;padding:.25rem .75rem;font-size:.75rem;font-weight:600}.result-badge.correct{color:#059669;background:#d1fae5}.result-badge.incorrect{color:#dc2626;background:#fee2e2}.result-question{color:#1a1a1a;margin-bottom:.75rem;font-size:1rem;line-height:1.5}.result-answers{gap:2rem;font-size:.875rem;display:flex}.your-answer,.correct-answer{color:#666}.your-answer strong,.correct-answer strong{color:#1a1a1a}.no-result{text-align:center;padding:3rem}.no-result p{color:#666;margin-bottom:1rem;font-size:1.125rem}.no-result button{color:#fff;cursor:pointer;background:#2563eb;border:none;border-radius:6px;padding:.75rem 1.5rem}
