@import"https://fonts.googleapis.com/css2?family=Lato:wght@400;700&display=swap";:root{--primary-color: #5E97F6;--secondary-color: #f5a623;--background-color: #F8F9FA;--text-color: #333;--font-family: "Lato", sans-serif}body{font-family:var(--font-family);background-color:var(--background-color);color:var(--text-color);margin:0;display:flex;justify-content:center;align-items:center;min-height:100vh}#app{width:80%;max-width:800px;background-color:#fff;padding:2rem;border-radius:8px;box-shadow:0 4px 6px #0000001a;text-align:center}h1{color:var(--primary-color)}.options{display:flex;flex-direction:column;gap:10px;margin-top:20px}.option,.submit-answer,button{background-color:var(--primary-color);color:#fff;border:none;padding:10px 20px;border-radius:5px;cursor:pointer;font-size:1rem;transition:background-color .3s,box-shadow .3s;box-shadow:0 2px 4px #0000001a}.option:hover,.submit-answer:hover,button:hover{background-color:#3a7ac2;box-shadow:0 4px 8px #00000026}input.fill-in-blank{padding:10px;border:1px solid #ccc;border-radius:5px;width:calc(100% - 22px);margin-bottom:10px}.clock-container{position:fixed;top:20px;right:20px;z-index:9999;pointer-events:none}.test-clock{background-color:var(--primary-color, #4287f5);color:#fff;padding:8px 16px;border-radius:20px;font-size:1.2rem;font-weight:700;box-shadow:0 2px 5px #0003;display:inline-block}@media (max-width: 768px){.test-clock{font-size:1rem;padding:6px 12px}}@media (max-width: 480px){.clock-container{top:10px;right:10px}.test-clock{font-size:.9rem;padding:4px 10px}}.performance-metric{display:flex;align-items:center;margin-bottom:1rem}.metric-icon{width:40px;height:40px;margin-right:1rem;display:flex;align-items:center;justify-content:center;border-radius:50%;color:#fff}.metric-value{font-size:1.5rem;font-weight:600;margin:0}.metric-label{color:#666;margin:0}.charts-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin-bottom:2rem}@media (max-width: 768px){.charts-grid{grid-template-columns:1fr}}.card{background:#fff;border-radius:8px;box-shadow:0 2px 8px #0000001a;padding:1.5rem}.card-title{font-size:1.2rem;margin-top:0;margin-bottom:1rem;color:#333}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}button:focus,a:focus{outline:2px solid #4c84ff;outline-offset:2px}.login-container{padding:40px;max-width:500px;margin:60px auto;text-align:center;border-radius:10px;box-shadow:0 6px 12px #00000026;background-color:#fff;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif}.login-container h1{color:#333;margin-bottom:20px;font-size:26px}.login-container p{color:#666;margin-bottom:25px;font-size:16px}.login-container small{color:#999;font-size:12px}.error-container{background-color:#fff3f3;border-left:4px solid #f44336;padding:20px;margin:20px auto;max-width:600px;box-shadow:0 2px 8px #0000001a}.error-container h2{color:#d32f2f;margin-top:0}.error-container pre{background:#f8f8f8;padding:10px;overflow:auto;border-radius:4px;font-size:12px}.loading-container{text-align:center;padding:40px;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif}.debug-mode-indicator{position:fixed;bottom:10px;right:10px;background-color:#ff0000b3;color:#fff;padding:5px 10px;border-radius:4px;font-size:12px;z-index:9999}.dashboard-container{display:flex;justify-content:center;align-items:center;padding:2rem;min-height:100vh;background-color:#f0f8ff}.dashboard-card{background:#fff;border-radius:12px;box-shadow:0 4px 20px #00000014;padding:2rem;width:100%;max-width:1000px}.dashboard-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;flex-wrap:wrap}.dashboard-title{font-size:2rem;color:#333;margin:0}.welcome-message{font-size:1.2rem;color:#666;margin:0}.performance-chart-container{margin-bottom:2rem;background:#fff;border-radius:8px;padding:1rem;box-shadow:0 2px 10px #0000000d}.dashboard-actions{display:flex;justify-content:center;margin-top:2rem}.cta-button{background:#4c84ff;color:#fff;border:none;border-radius:4px;padding:.75rem 2rem;font-size:1rem;font-weight:500;cursor:pointer;transition:background .2s}.cta-button:hover{background:#3b73e5}.empty-chart{display:flex;justify-content:center;align-items:center;height:300px;background:#f9f9f9;border-radius:8px;text-align:center;padding:1rem}.no-data-message{display:flex;flex-direction:column;align-items:center;max-width:500px;padding:2rem}.no-data-message h3{color:#4a5568;margin-bottom:.5rem;font-size:1.5rem}.no-data-message p{color:#718096;line-height:1.5;margin-bottom:1.5rem}.empty-state-illustration{margin-top:1rem;opacity:.7}.performance-score{background:#f9f9f9;border-radius:8px;padding:1rem;text-align:center;box-shadow:0 2px 10px #0000000d}.performance-score h2{font-size:1.5rem;color:#333;margin:0 0 .5rem}.performance-score p{font-size:2.5rem;color:#4c84ff;margin:0;font-weight:700}.progress-by-category,.progress-by-difficulty,.progress-over-time{margin-bottom:2rem;background:#fff;border-radius:8px;padding:1rem;box-shadow:0 2px 10px #0000000d}.charts-container{display:grid;grid-template-columns:1fr 1fr;gap:2rem;margin-top:2rem}.tabs{display:flex;margin-bottom:2rem;border-bottom:1px solid #e2e8f0}.tab{padding:1rem 1.5rem;cursor:pointer;background:none;border:none;font-size:1rem;font-weight:500;color:#4a5568;transition:color .2s,border-bottom .2s;border-bottom:2px solid transparent}.tab.active{color:#4c84ff;border-bottom:2px solid #4c84ff}.loading-spinner-overlay{display:flex;justify-content:center;align-items:center;height:300px}.loading-spinner{border:4px solid rgba(0,0,0,.1);width:36px;height:36px;border-radius:50%;border-left-color:#4c84ff;animation:spin 1s ease infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.error-message{display:flex;justify-content:center;align-items:center;height:300px;background:#fff0f0;border-radius:8px;text-align:center;padding:1rem;color:#d00000}
