:root{--bg-primary: #0a0e17;--bg-secondary: #111827;--bg-tertiary: #1a2236;--bg-card: #161e2e;--bg-card-hover: #1c2740;--bg-glass: rgba(22, 30, 46, .8);--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--accent: #f97316;--accent-hover: #fb923c;--accent-dim: rgba(249, 115, 22, .15);--accent-glow: rgba(249, 115, 22, .3);--success: #22c55e;--success-dim: rgba(34, 197, 94, .15);--warning: #eab308;--warning-dim: rgba(234, 179, 8, .15);--danger: #ef4444;--danger-dim: rgba(239, 68, 68, .15);--info: #3b82f6;--info-dim: rgba(59, 130, 246, .15);--border: rgba(148, 163, 184, .1);--border-hover: rgba(148, 163, 184, .2);--shadow-sm: 0 1px 3px rgba(0,0,0,.3);--shadow-md: 0 4px 12px rgba(0,0,0,.4);--shadow-lg: 0 8px 25px rgba(0,0,0,.5);--shadow-glow: 0 0 20px var(--accent-glow);--sidebar-width: 300px;--header-height: 60px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .4s ease}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;font-size:16px}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow-x:hidden;min-height:100vh}h1,h2,h3,h4,h5{font-family:Outfit,Inter,sans-serif;font-weight:700;line-height:1.2}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}button{cursor:pointer;border:none;background:none;font-family:inherit;color:inherit}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}#app{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);height:100vh;position:fixed;left:0;top:0;background:var(--bg-secondary);border-right:1px solid var(--border);display:flex;flex-direction:column;z-index:100;transition:transform var(--transition-base)}.sidebar-header{padding:20px;border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:12px}.brand-icon{flex-shrink:0}.brand-text{display:flex;flex-direction:column}.brand-name{font-family:Outfit,sans-serif;font-weight:800;font-size:1.2rem;background:linear-gradient(135deg,var(--accent),#fbbf24);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.brand-sub{font-size:.7rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px}.sidebar-progress{padding:16px 20px;border-bottom:1px solid var(--border)}.progress-label{display:flex;justify-content:space-between;font-size:.75rem;color:var(--text-secondary);margin-bottom:8px}.progress-bar{height:6px;background:var(--bg-tertiary);border-radius:3px;overflow:hidden}.progress-fill{height:100%;width:0%;background:linear-gradient(90deg,var(--accent),#fbbf24);border-radius:3px;transition:width var(--transition-slow)}.sidebar-nav{flex:1;overflow-y:auto;padding:12px 0}.nav-day{margin-bottom:4px}.nav-day-btn{width:100%;display:flex;align-items:center;gap:10px;padding:10px 20px;font-size:.85rem;font-weight:600;color:var(--text-secondary);transition:all var(--transition-fast);text-align:left}.nav-day-btn:hover{background:var(--accent-dim);color:var(--text-primary)}.nav-day-btn.active{color:var(--accent);background:var(--accent-dim)}.nav-day-icon{font-size:1.1rem;width:24px;text-align:center}.nav-day-chevron{margin-left:auto;transition:transform var(--transition-fast);opacity:.5}.nav-day-btn.expanded .nav-day-chevron{transform:rotate(90deg)}.nav-sections{max-height:0;overflow:hidden;transition:max-height var(--transition-slow)}.nav-sections.expanded{max-height:2000px}.nav-section-btn{width:100%;display:flex;align-items:center;gap:8px;padding:7px 20px 7px 54px;font-size:.78rem;color:var(--text-muted);transition:all var(--transition-fast);text-align:left;line-height:1.3}.nav-section-btn:hover{color:var(--text-secondary);background:#ffffff05}.nav-section-btn.active{color:var(--accent)}.nav-section-btn.completed:before{content:"✓";color:var(--success);font-size:.7rem;font-weight:700}.nav-quiz-btn{width:100%;display:flex;align-items:center;gap:8px;padding:8px 20px 8px 54px;font-size:.8rem;font-weight:600;color:var(--warning);transition:all var(--transition-fast);text-align:left}.nav-quiz-btn:hover{background:var(--warning-dim)}.sidebar-footer{padding:16px 20px;border-top:1px solid var(--border)}.sidebar-link{display:flex;align-items:center;gap:8px;font-size:.8rem;color:var(--text-muted);transition:color var(--transition-fast)}.sidebar-link:hover{color:var(--accent)}.mobile-header{display:none;position:fixed;top:0;left:0;right:0;height:var(--header-height);background:var(--bg-glass);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);align-items:center;padding:0 16px;gap:12px;z-index:90}.menu-btn{color:var(--text-secondary);padding:4px}.mobile-title{font-family:Outfit,sans-serif;font-weight:600;font-size:.9rem}.sidebar-overlay{display:none;position:fixed;inset:0;background:#00000080;z-index:95}.main-content{margin-left:var(--sidebar-width);flex:1;min-height:100vh}.landing{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:40px}.landing-hero{max-width:900px;width:100%;text-align:center}.hero-badge{display:inline-block;padding:6px 16px;background:var(--accent-dim);border:1px solid rgba(249,115,22,.3);border-radius:100px;font-size:.75rem;font-weight:600;color:var(--accent);letter-spacing:.5px;margin-bottom:24px;animation:fadeInUp .6s ease}.hero-title{font-size:3rem;font-weight:800;margin-bottom:16px;animation:fadeInUp .6s ease .1s both}.gradient-text{background:linear-gradient(135deg,var(--accent),#fbbf24,var(--accent-hover));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{font-size:1.05rem;color:var(--text-secondary);max-width:600px;margin:0 auto 40px;animation:fadeInUp .6s ease .2s both}.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:48px;animation:fadeInUp .6s ease .3s both}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:20px 12px;transition:all var(--transition-base)}.stat-card:hover{border-color:var(--accent);box-shadow:var(--shadow-glow);transform:translateY(-2px)}.stat-number{font-family:Outfit,sans-serif;font-size:2rem;font-weight:800;color:var(--accent)}.stat-label{font-size:.75rem;color:var(--text-muted);margin-top:4px}.hero-days{display:flex;flex-direction:column;gap:12px;animation:fadeInUp .6s ease .4s both}.day-card{display:flex;align-items:center;gap:16px;padding:20px 24px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);text-align:left;transition:all var(--transition-base);width:100%}.day-card:hover{background:var(--bg-card-hover);border-color:var(--accent);box-shadow:var(--shadow-glow);transform:translate(4px)}.day-icon{font-size:1.8rem}.day-info h3{font-size:1rem;margin-bottom:2px}.day-info p{font-size:.85rem;color:var(--text-secondary)}.day-arrow{margin-left:auto;color:var(--text-muted);transition:all var(--transition-fast)}.day-card:hover .day-arrow{color:var(--accent);transform:translate(4px)}.content-page{padding:24px 40px 60px;max-width:960px;margin:0 auto}.content-header{display:flex;align-items:center;gap:16px;margin-bottom:32px;position:sticky;top:0;z-index:10;background:var(--bg-primary);padding:16px 0;border-bottom:1px solid var(--border)}.back-btn{display:flex;align-items:center;gap:6px;padding:8px 16px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.85rem;color:var(--text-secondary);transition:all var(--transition-fast)}.back-btn:hover{border-color:var(--accent);color:var(--accent)}.content-breadcrumb{font-size:.8rem;color:var(--text-muted)}.content-breadcrumb span{color:var(--accent)}.content-body{animation:fadeIn .4s ease}.section-title{font-size:2rem;margin-bottom:8px;display:flex;align-items:center;gap:12px}.section-title .emoji{font-size:1.6rem}.section-subtitle{font-size:.95rem;color:var(--text-secondary);margin-bottom:32px}.content-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:24px;margin-bottom:20px;transition:all var(--transition-base);animation:fadeInUp .4s ease both}.content-card:hover{border-color:var(--border-hover)}.content-card h3{font-size:1.1rem;margin-bottom:12px;color:var(--accent)}.content-card h4{font-size:.95rem;margin:16px 0 8px;color:var(--text-primary)}.content-card p{color:var(--text-secondary);font-size:.9rem;margin-bottom:8px;line-height:1.7}.content-card ul,.content-card ol{margin:8px 0 12px 20px;color:var(--text-secondary);font-size:.9rem}.content-card li{margin-bottom:6px;line-height:1.6}.content-card li::marker{color:var(--accent)}.reg-card{border-left:3px solid var(--accent)}.reg-number{display:inline-block;background:var(--accent-dim);color:var(--accent);padding:2px 10px;border-radius:100px;font-size:.75rem;font-weight:600;margin-bottom:10px}.info-box{padding:16px 20px;border-radius:var(--radius-sm);margin:12px 0;font-size:.88rem}.info-box.note{background:var(--info-dim);border-left:3px solid var(--info)}.info-box.warning{background:var(--warning-dim);border-left:3px solid var(--warning)}.info-box.danger{background:var(--danger-dim);border-left:3px solid var(--danger)}.info-box.tip{background:var(--success-dim);border-left:3px solid var(--success)}.info-box strong{display:block;margin-bottom:4px;color:var(--text-primary)}.content-table{width:100%;border-collapse:collapse;margin:12px 0;font-size:.85rem}.content-table th{background:var(--bg-tertiary);color:var(--accent);padding:10px 14px;text-align:left;font-weight:600;font-size:.8rem;text-transform:uppercase;letter-spacing:.5px}.content-table td{padding:10px 14px;border-bottom:1px solid var(--border);color:var(--text-secondary)}.content-table tr:hover td{background:#ffffff05}.content-nav{display:flex;justify-content:space-between;align-items:center;margin-top:40px;padding-top:24px;border-top:1px solid var(--border)}.nav-btn{display:flex;align-items:center;gap:8px;padding:12px 24px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.85rem;color:var(--text-secondary);transition:all var(--transition-fast)}.nav-btn:hover{border-color:var(--accent);color:var(--accent);transform:translate(2px)}.nav-btn.prev:hover{transform:translate(-2px)}.nav-btn.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}.nav-btn.primary:hover{background:var(--accent-hover);border-color:var(--accent-hover);transform:translateY(-1px);box-shadow:var(--shadow-glow)}.quiz-page{padding:24px 40px 60px;max-width:800px;margin:0 auto}.quiz-container{animation:fadeIn .4s ease}.quiz-header{text-align:center;margin-bottom:40px}.quiz-header h2{font-size:1.8rem;margin-bottom:8px}.quiz-header p{color:var(--text-secondary)}.quiz-progress{display:flex;align-items:center;gap:12px;margin-bottom:32px}.quiz-progress-bar{flex:1;height:6px;background:var(--bg-tertiary);border-radius:3px;overflow:hidden}.quiz-progress-fill{height:100%;background:var(--accent);border-radius:3px;transition:width var(--transition-base)}.quiz-progress-text{font-size:.8rem;color:var(--text-muted);min-width:50px;text-align:right}.quiz-question{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:32px;margin-bottom:24px;animation:fadeInUp .4s ease}.quiz-question h3{font-size:1.05rem;margin-bottom:20px;line-height:1.5}.quiz-options{display:flex;flex-direction:column;gap:10px}.quiz-option{display:flex;align-items:center;gap:12px;padding:14px 18px;background:var(--bg-tertiary);border:2px solid transparent;border-radius:var(--radius-sm);font-size:.9rem;color:var(--text-secondary);transition:all var(--transition-fast);cursor:pointer;text-align:left;width:100%}.quiz-option:hover:not(.disabled){border-color:var(--accent);color:var(--text-primary);background:var(--accent-dim)}.quiz-option.selected{border-color:var(--accent);color:var(--text-primary);background:var(--accent-dim)}.quiz-option.correct{border-color:var(--success);background:var(--success-dim);color:var(--text-primary)}.quiz-option.incorrect{border-color:var(--danger);background:var(--danger-dim);color:var(--text-primary)}.quiz-option .option-letter{width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:#ffffff0d;border-radius:6px;font-weight:600;font-size:.8rem;flex-shrink:0}.quiz-actions{display:flex;justify-content:center;gap:12px;margin-top:24px}.quiz-btn{padding:12px 32px;background:var(--accent);color:#fff;font-weight:600;border-radius:var(--radius-sm);font-size:.9rem;transition:all var(--transition-fast)}.quiz-btn:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:var(--shadow-glow)}.quiz-btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}.quiz-results{text-align:center;animation:fadeInUp .4s ease}.quiz-results .score-circle{width:160px;height:160px;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;margin:0 auto 24px;border:4px solid var(--accent);background:var(--accent-dim)}.quiz-results .score-circle.pass{border-color:var(--success);background:var(--success-dim)}.quiz-results .score-circle.fail{border-color:var(--danger);background:var(--danger-dim)}.score-value{font-family:Outfit,sans-serif;font-size:2.5rem;font-weight:800}.score-label{font-size:.8rem;color:var(--text-muted)}.quiz-results h2{font-size:1.5rem;margin-bottom:8px}.quiz-results p{color:var(--text-secondary);margin-bottom:24px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}.content-card:nth-child(1){animation-delay:0ms}.content-card:nth-child(2){animation-delay:50ms}.content-card:nth-child(3){animation-delay:.1s}.content-card:nth-child(4){animation-delay:.15s}.content-card:nth-child(5){animation-delay:.2s}.content-card:nth-child(6){animation-delay:.25s}.content-card:nth-child(7){animation-delay:.3s}.content-card:nth-child(8){animation-delay:.35s}@media(max-width:900px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.sidebar-overlay.active{display:block}.mobile-header{display:flex}.main-content{margin-left:0;padding-top:var(--header-height)}.landing{padding:20px}.hero-title{font-size:2rem}.hero-stats{grid-template-columns:repeat(2,1fr)}.content-page,.quiz-page{padding:16px 20px 60px}.content-header{padding:12px 0}.section-title{font-size:1.4rem}}@media(max-width:480px){.hero-title{font-size:1.6rem}.hero-stats{grid-template-columns:1fr 1fr;gap:10px}.stat-number{font-size:1.5rem}.day-card{padding:14px 16px}.content-card{padding:18px}.quiz-question{padding:20px}}