.auth-container{display:flex;justify-content:center;align-items:center;min-height:80vh}.auth-card{width:100%;max-width:400px;padding:2rem;background-color:#fff;border-radius:8px;box-shadow:0 4px 12px #0000001a;text-align:left}.auth-card h2{text-align:center;margin-bottom:1.5rem;color:#2c3e50}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:600;color:#34495e}.form-group input{width:100%;padding:.75rem;border:1px solid #ced4da;border-radius:4px;font-size:1rem}.auth-button{width:100%;padding:.75rem;border:none;border-radius:4px;background-color:#3498db;color:#fff;font-size:1rem;font-weight:600;cursor:pointer;transition:background-color .2s ease}.auth-button:hover{background-color:#2980b9}.auth-error{background-color:#f8d7da;color:#721c24;padding:1rem;border-radius:4px;margin-bottom:1rem;text-align:center}.auth-switch{text-align:center;margin-top:1.5rem}#root{max-width:1280px;margin:0 auto;padding:2rem;text-align:center}.logo{height:6em;padding:1.5em;will-change:filter;transition:filter .3s}.logo:hover{filter:drop-shadow(0 0 2em #646cffaa)}.logo.react:hover{filter:drop-shadow(0 0 2em #61dafbaa)}@keyframes logo-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (prefers-reduced-motion: no-preference){a:nth-of-type(2) .logo{animation:logo-spin infinite 20s linear}}.card{padding:2em}.read-the-docs{color:#888}.dashboard-container{width:100%;max-width:1100px;margin:2rem auto;padding:0 1.5rem;text-align:left;font-family:Inter,sans-serif}.header-section{margin-bottom:2.5rem;border-bottom:1px solid var(--border-color);padding-bottom:1rem}.dashboard-container h1{color:var(--primary-color);margin-bottom:.5rem;font-size:2.2rem}.mode-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;margin-bottom:3.5rem}.mode-card{background:#fff;border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow-sm);transition:all .2s ease-in-out;display:flex;flex-direction:column;justify-content:space-between;height:100%;min-height:240px}.mode-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}.mode-card h3{font-size:1.25rem;margin-top:0;margin-bottom:.75rem;display:flex;align-items:center;gap:10px;color:var(--text-main)}.mode-icon{font-size:1.5rem}.mode-desc{color:var(--text-muted);font-size:.95rem;line-height:1.5;margin-bottom:1.5rem;flex-grow:1}.gorilla-stat{font-size:2.5rem;font-weight:800;color:var(--text-main);margin-bottom:1rem;line-height:1}.gorilla-stat span{font-size:.8rem;color:var(--text-light);font-weight:600;text-transform:uppercase;letter-spacing:1px;display:block;margin-top:5px}.card-actions{margin-top:auto;display:flex;flex-direction:column;gap:10px}.select-wrapper{margin-bottom:.5rem}.mode-select{width:100%;padding:8px 12px;border-radius:var(--radius-md);border:1px solid var(--border-color);font-size:.9rem;color:var(--text-main);background-color:var(--bg-color)}.action-btn{width:100%;padding:10px;border-radius:var(--radius-md);border:none;font-weight:600;font-size:.95rem;cursor:pointer;background:var(--primary-color);color:#fff;text-align:center;transition:background-color .2s}.action-btn:hover{background:var(--primary-light)}.action-btn.secondary{background:transparent;border:2px solid var(--primary-color);color:var(--primary-color)}.action-btn.secondary:hover{background:#f0fdf4}#topic-list{color:var(--text-main);font-size:1.5rem;margin-bottom:1rem;border-bottom:2px solid var(--accent-color);display:inline-block;padding-bottom:5px}.topic-list{display:flex;flex-direction:column;gap:1rem}.chapter-accordion{background:#fff;border:1px solid var(--border-color);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}.chapter-accordion[open]{box-shadow:var(--shadow-md)}.chapter-summary{padding:1.25rem 1.5rem;cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;background-color:#fff;transition:background-color .2s}.chapter-summary:hover{background-color:#fafafa}.chapter-summary::-webkit-details-marker{display:none}.chapter-summary h3{margin:0;font-size:1.1rem;color:var(--text-main)}.chapter-summary:after{content:"+";font-size:1.5rem;color:var(--text-light);font-weight:300}.chapter-accordion[open]>.chapter-summary:after{content:"−";color:var(--primary-color)}.topic-list-inner{background-color:#f8fafc;border-top:1px solid var(--border-color);padding:1rem;display:grid;gap:1rem}.topic-card{background:#fff;border:1px solid var(--border-color);border-radius:var(--radius-md);padding:1.25rem;display:flex;justify-content:space-between;align-items:center;gap:1rem}.topic-card.mastered{border-left:4px solid var(--accent-color)}.topic-info h4{margin:0 0 .25rem;font-size:1rem;color:var(--text-main)}.topic-info p{margin:0 0 .75rem;font-size:.85rem;color:var(--text-light)}.progress-container{display:flex;align-items:center;gap:10px}.progress-bar{width:120px;height:6px;background-color:#edf2f7;border-radius:99px;overflow:hidden}.progress-bar-inner{height:100%;background-color:var(--primary-color);border-radius:99px}.topic-card.mastered .progress-bar-inner{background-color:var(--accent-color)}.progress-text{font-size:.8rem;font-weight:600;color:var(--text-muted)}.quiz-button{padding:8px 16px;font-size:.9rem}.error-box{background-color:#fff5f5;border:1px solid #fed7d7;color:#c53030;border-radius:var(--radius-md);padding:2rem;text-align:center}.question-card h2,.question-card h3{color:#2c3e50;border-bottom:1px solid #e9ecef;padding-bottom:.3em;margin-top:1.5em;margin-bottom:1em}.question-card ul{padding-left:20px;margin-top:1em;margin-bottom:1em}.question-card li{margin-bottom:.75em;line-height:1.6}.score-summary{font-size:1.5em;font-weight:700;margin-top:1rem;color:#2c3e50}.result-item{margin-bottom:2rem;padding:1.5rem;border:1px solid #dee2e6;border-radius:8px;background-color:#fff}.result-status-header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #eee;padding-bottom:10px;margin-bottom:15px}.choices-list .correct-answer{background-color:#d4edda;border-color:#c3e6cb;color:#155724}.choices-list .incorrect-answer-selected{background-color:#f8d7da;border-color:#f5c6cb;color:#721c24;border-width:2px}.choices-list .user-selection{border:2px solid #28a745}.badge{font-size:.75rem;padding:2px 8px;border-radius:12px;font-weight:700;text-transform:uppercase;margin-left:10px;white-space:nowrap}.correct-badge{background-color:#28a745;color:#fff}.wrong-badge{background-color:#dc3545;color:#fff}.explanation-box{margin-top:1.5rem;padding:1.5rem;background-color:#f8f9fa;border-top:4px solid #6c757d;border-radius:4px}.question-card{background:#fff;padding:2.5rem;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);border:1px solid var(--border-color);margin-bottom:2rem;text-align:left;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none}.question-card span[title="Click to select ID"]{user-select:text;-webkit-user-select:text;-moz-user-select:text;-ms-user-select:text}.question-prompt{font-size:1.35rem;font-weight:600;color:var(--text-main);margin-bottom:2rem;line-height:1.5}.choices-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:1rem}.choice-item{padding:1.25rem 1.5rem;border:2px solid var(--border-color);border-radius:var(--radius-md);background-color:#fff;cursor:pointer;transition:all .15s ease-in-out;font-size:1.05rem;display:flex;align-items:flex-start;gap:.75rem;color:var(--text-muted)}.choice-item strong{color:var(--primary-color);font-weight:700;min-width:25px}.choice-item.interactive:hover{border-color:var(--primary-light);background-color:#f0fdf4;transform:translateY(-2px);box-shadow:var(--shadow-sm)}.choice-item.selected{border-color:var(--primary-color);background-color:#e6fffa;color:var(--primary-color);box-shadow:0 0 0 3px #1e4d2b1a}.navigation-controls{display:flex;justify-content:space-between;align-items:center;max-width:600px;margin:0 auto;padding:0 1rem}.navigation-controls button{min-width:120px}.submit-quiz-btn{background-color:var(--accent-color);color:#fff}.submit-quiz-btn:hover:not(:disabled){background-color:#c5a028}.reviewer-header h1{font-size:2rem;color:var(--text-main);margin-bottom:.25em}.reviewer-header p{color:var(--text-light);font-size:1.1rem;margin-bottom:2rem}:root{--primary-color: #1e4d2b;--primary-light: #2a6b3d;--accent-color: #d4af37;--bg-color: #f4f6f8;--card-bg: #ffffff;--text-main: #1a202c;--text-muted: #4a5568;--text-light: #718096;--border-color: #e2e8f0;--radius-md: 8px;--radius-lg: 12px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);font-family:Inter,system-ui,sans-serif;line-height:1.6;font-weight:400;color-scheme:light;color:var(--text-main);background-color:var(--bg-color);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;display:flex;flex-direction:column;min-width:320px;min-height:100vh}#root{width:100%;display:flex;flex-direction:column;align-items:center}h1,h2,h3,h4{color:var(--primary-color);line-height:1.2;margin-bottom:.5em}h1{font-size:2.5rem;font-weight:700;letter-spacing:-.02em}h2{font-size:1.8rem;font-weight:600}h3{font-size:1.4rem;font-weight:600}a{font-weight:500;color:var(--primary-light);text-decoration:none;transition:color .2s}a:hover{color:var(--primary-color);text-decoration:underline}button{border-radius:var(--radius-md);border:none;padding:.75em 1.5em;font-size:1em;font-weight:600;font-family:inherit;cursor:pointer;transition:all .2s ease;background-color:var(--primary-color);color:#fff;box-shadow:var(--shadow-sm)}button:hover:not(:disabled){background-color:var(--primary-light);transform:translateY(-1px);box-shadow:var(--shadow-md)}button:disabled{background-color:#cbd5e0;cursor:not-allowed;transform:none}.card{background:var(--card-bg);padding:2rem;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);border:1px solid var(--border-color)}.nav-button{display:inline-block;background-color:transparent;color:var(--text-muted);border:1px solid var(--border-color);margin-top:1rem}.nav-button:hover{background-color:#fff;border-color:var(--primary-color);color:var(--primary-color);text-decoration:none}