.home-page[data-v-2820a718]{min-height:100vh}.hero[data-v-2820a718]{min-height:70vh;display:flex;align-items:center;justify-content:center;padding:var(--spacing-xl);background:var(--gradient-dark);position:relative;overflow:hidden}.hero[data-v-2820a718]:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(99,102,241,.1) 0%,transparent 70%);animation:pulse 4s ease-in-out infinite}.hero-content[data-v-2820a718]{position:relative;z-index:1;text-align:center;max-width:800px}.hero-icon[data-v-2820a718]{font-size:5rem;margin-bottom:var(--spacing-lg);animation:float-2820a718 3s ease-in-out infinite}@keyframes float-2820a718{0%,to{transform:translateY(0)}50%{transform:translateY(-20px)}}.hero-title[data-v-2820a718]{font-size:3rem;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:var(--spacing-md)}.hero-subtitle[data-v-2820a718]{font-size:1.25rem;color:var(--text-secondary);margin-bottom:var(--spacing-xl);line-height:1.8}.hero-stats[data-v-2820a718]{display:flex;justify-content:center;gap:var(--spacing-xl);margin-bottom:var(--spacing-xl)}.stat[data-v-2820a718]{text-align:center}.stat-value[data-v-2820a718]{font-size:2rem;font-weight:800;background:var(--gradient-secondary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.stat-label[data-v-2820a718]{font-size:.875rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.features[data-v-2820a718]{padding:var(--spacing-2xl) var(--spacing-lg)}.feature-card[data-v-2820a718]{text-align:center;padding:var(--spacing-xl);transition:all var(--transition-base)}.feature-card[data-v-2820a718]:hover{transform:translateY(-8px) scale(1.02)}.feature-icon[data-v-2820a718]{font-size:3rem;margin-bottom:var(--spacing-md)}.feature-card h3[data-v-2820a718]{color:var(--text-primary);margin-bottom:var(--spacing-sm)}.feature-card p[data-v-2820a718]{color:var(--text-secondary);font-size:.95rem}@media (max-width: 768px){.hero-title[data-v-2820a718]{font-size:2rem}.hero-subtitle[data-v-2820a718]{font-size:1rem}.hero-stats[data-v-2820a718]{flex-direction:column;gap:var(--spacing-md)}}.course-card[data-v-91c4e329]{cursor:pointer;overflow:hidden;padding:0;transition:all var(--transition-base)}.course-card[data-v-91c4e329]:hover{transform:translateY(-8px);box-shadow:var(--shadow-xl),0 0 30px #6366f14d}.course-image[data-v-91c4e329]{width:100%;height:200px;background-size:cover;background-position:center;position:relative}.course-level[data-v-91c4e329]{position:absolute;top:var(--spacing-md);right:var(--spacing-md)}.course-content[data-v-91c4e329]{padding:var(--spacing-lg)}.course-title[data-v-91c4e329]{font-size:1.25rem;margin-bottom:var(--spacing-sm);color:var(--text-primary)}.course-description[data-v-91c4e329]{font-size:.9rem;color:var(--text-secondary);margin-bottom:var(--spacing-md);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.course-meta[data-v-91c4e329]{display:flex;flex-direction:column;gap:var(--spacing-sm);margin-bottom:var(--spacing-md);padding-bottom:var(--spacing-md);border-bottom:1px solid var(--bg-tertiary)}.meta-item[data-v-91c4e329]{display:flex;align-items:center;gap:var(--spacing-sm);font-size:.875rem;color:var(--text-secondary)}.meta-icon[data-v-91c4e329]{font-size:1rem}.course-footer[data-v-91c4e329]{display:flex;justify-content:space-between;align-items:center}.course-stats[data-v-91c4e329]{display:flex;gap:var(--spacing-md);font-size:.875rem;color:var(--text-muted)}.stat-item[data-v-91c4e329]{display:flex;align-items:center;gap:.25rem}.course-badge[data-v-91c4e329]{display:flex;align-items:center}.course-list-page[data-v-c5a5af31]{min-height:100vh;padding-top:var(--spacing-xl);padding-bottom:var(--spacing-2xl)}.page-header[data-v-c5a5af31]{text-align:center;margin-bottom:var(--spacing-2xl)}.page-title[data-v-c5a5af31]{font-size:1.5rem;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.page-subtitle[data-v-c5a5af31]{font-size:1.125rem;color:var(--text-secondary)}.loading-container[data-v-c5a5af31],.error-container[data-v-c5a5af31]{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:50vh;text-align:center}.error-message[data-v-c5a5af31]{color:var(--secondary);font-size:1.125rem}.lesson-item[data-v-15cf3296]{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-lg);background:var(--bg-secondary);border-radius:var(--radius-lg);border:2px solid transparent;transition:all var(--transition-base)}.lesson-item[data-v-15cf3296]:not(.locked){cursor:pointer}.lesson-item[data-v-15cf3296]:not(.locked):hover{border-color:var(--primary);transform:translate(8px);box-shadow:var(--shadow-md)}.lesson-item.locked[data-v-15cf3296]{opacity:.6}.lesson-item.completed[data-v-15cf3296]{border-color:var(--accent)}.lesson-number[data-v-15cf3296]{width:3rem;height:3rem;border-radius:50%;background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.25rem;flex-shrink:0}.lesson-item.completed .lesson-number[data-v-15cf3296]{background:var(--accent);color:#fff}.lesson-item:not(.locked):not(.completed) .lesson-number[data-v-15cf3296]{background:var(--gradient-primary);color:#fff}.check-icon[data-v-15cf3296],.lock-icon[data-v-15cf3296]{font-size:1.5rem}.lesson-info[data-v-15cf3296]{flex:1}.lesson-title[data-v-15cf3296]{font-size:1.125rem;margin-bottom:var(--spacing-xs);color:var(--text-primary)}.lesson-meta[data-v-15cf3296]{display:flex;align-items:center;gap:var(--spacing-md);font-size:.875rem;color:var(--text-muted)}.lesson-status[data-v-15cf3296]{padding:.25rem .5rem;border-radius:var(--radius-sm);font-size:.75rem;font-weight:600;text-transform:uppercase}.completed-status[data-v-15cf3296]{background:var(--accent);color:#fff}.locked-status[data-v-15cf3296]{background:var(--bg-tertiary);color:var(--text-muted)}.available-status[data-v-15cf3296]{color:var(--primary)}.lesson-action[data-v-15cf3296]{flex-shrink:0}@media (max-width: 768px){.lesson-item[data-v-15cf3296]{flex-direction:column;align-items:flex-start}.lesson-action[data-v-15cf3296],.lesson-action .btn[data-v-15cf3296]{width:100%}}.course-detail-page[data-v-69963661]{min-height:100vh}.course-hero[data-v-69963661]{background-size:cover;background-position:center;padding:var(--spacing-2xl) 0;margin-bottom:var(--spacing-2xl)}.hero-content[data-v-69963661]{max-width:900px}.course-title[data-v-69963661]{font-size:3rem;color:var(--text-primary);margin-bottom:var(--spacing-md)}.course-description[data-v-69963661]{font-size:1.25rem;color:var(--text-secondary);margin-bottom:var(--spacing-xl);line-height:1.8}.course-meta-grid[data-v-69963661]{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--spacing-md)}.meta-card[data-v-69963661]{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md);background:#1e293b99;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:var(--radius-lg);border:1px solid rgba(255,255,255,.1)}.meta-icon[data-v-69963661]{font-size:2rem}.meta-label[data-v-69963661]{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.meta-value[data-v-69963661]{font-size:1rem;font-weight:600;color:var(--text-primary)}.lessons-section[data-v-69963661]{padding-bottom:var(--spacing-2xl)}.section-header[data-v-69963661]{text-align:center;margin-bottom:var(--spacing-xl)}.section-header h2[data-v-69963661]{font-size:2rem;margin-bottom:var(--spacing-sm)}.section-subtitle[data-v-69963661]{color:var(--text-secondary);font-size:1rem}.lessons-list[data-v-69963661]{display:flex;flex-direction:column;gap:var(--spacing-md);margin-bottom:var(--spacing-xl)}.action-section[data-v-69963661]{text-align:center;padding-top:var(--spacing-xl);border-top:1px solid var(--bg-tertiary)}.loading-container[data-v-69963661],.error-container[data-v-69963661]{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:50vh;text-align:center}.error-message[data-v-69963661]{color:var(--secondary);font-size:1.125rem}@media (max-width: 768px){.course-title[data-v-69963661]{font-size:2rem}.course-description[data-v-69963661]{font-size:1rem}.course-meta-grid[data-v-69963661]{grid-template-columns:1fr}}.lesson-viewer-page[data-v-edf3f3b1]{min-height:100vh;padding-bottom:var(--spacing-2xl)}.lesson-header[data-v-edf3f3b1]{background:var(--gradient-dark);padding:var(--spacing-xl) 0;margin-bottom:var(--spacing-xl);border-bottom:1px solid var(--bg-tertiary)}.header-content[data-v-edf3f3b1]{max-width:900px}.lesson-badge[data-v-edf3f3b1]{display:inline-block;padding:.5rem 1rem;background:var(--gradient-primary);color:var(--bg-primary);border-radius:var(--radius-lg);font-size:.875rem;font-weight:700;margin-bottom:var(--spacing-md)}.lesson-title[data-v-edf3f3b1]{font-size:2.5rem;color:var(--text-primary);margin-bottom:var(--spacing-md)}.lesson-meta[data-v-edf3f3b1]{display:flex;gap:var(--spacing-md);font-size:1rem;color:var(--text-secondary)}.meta-item.completed[data-v-edf3f3b1],.meta-item.approved[data-v-edf3f3b1]{color:var(--accent);font-weight:600}.lesson-body[data-v-edf3f3b1]{max-width:900px;margin:0 auto}.pdf-section[data-v-edf3f3b1]{margin-bottom:var(--spacing-xl);text-align:center}.pdf-section h3[data-v-edf3f3b1]{margin-bottom:var(--spacing-sm)}.pdf-section p[data-v-edf3f3b1]{margin-bottom:var(--spacing-md)}.content-section[data-v-edf3f3b1]{margin-bottom:var(--spacing-xl)}.content-section h2[data-v-edf3f3b1]{margin-bottom:var(--spacing-md)}.lesson-text[data-v-edf3f3b1]{font-size:1.125rem;line-height:1.8;color:var(--text-secondary)}.homework-section[data-v-edf3f3b1]{margin-bottom:var(--spacing-xl)}.homework-section h3[data-v-edf3f3b1]{margin-bottom:var(--spacing-md)}.homework-description[data-v-edf3f3b1]{font-size:1rem;color:var(--text-secondary);margin-bottom:var(--spacing-lg);padding:var(--spacing-md);background:var(--bg-tertiary);border-radius:var(--radius-md);border-left:4px solid var(--primary)}.homework-approved[data-v-edf3f3b1]{padding:var(--spacing-lg);background:#10b9811a;border:2px solid var(--accent);border-radius:var(--radius-lg)}.approval-badge[data-v-edf3f3b1]{display:flex;align-items:center;gap:var(--spacing-sm);font-size:1.25rem;font-weight:700;color:var(--accent);margin-bottom:var(--spacing-sm)}.check-icon[data-v-edf3f3b1]{font-size:1.5rem}.feedback[data-v-edf3f3b1]{color:var(--text-secondary);font-style:italic}.homework-pending[data-v-edf3f3b1]{padding:var(--spacing-lg);background:#eec4681a;border:2px solid var(--primary);border-radius:var(--radius-lg);text-align:center;color:var(--primary);font-weight:600}.homework-form[data-v-edf3f3b1]{display:flex;flex-direction:column;gap:var(--spacing-md)}.homework-textarea[data-v-edf3f3b1]{width:100%;padding:var(--spacing-md);background:var(--bg-tertiary);border:2px solid var(--bg-tertiary);border-radius:var(--radius-lg);color:var(--text-primary);font-family:Inter,sans-serif;font-size:1rem;resize:vertical;transition:border-color var(--transition-base)}.homework-textarea[data-v-edf3f3b1]:focus{outline:none;border-color:var(--primary)}.progress-section[data-v-edf3f3b1]{margin-bottom:var(--spacing-xl)}.progress-section h3[data-v-edf3f3b1]{margin-bottom:var(--spacing-md)}.progress-bar[data-v-edf3f3b1]{width:100%;height:1rem;background:var(--bg-tertiary);border-radius:var(--radius-lg);overflow:hidden;margin-bottom:var(--spacing-sm)}.progress-fill[data-v-edf3f3b1]{height:100%;background:var(--gradient-primary);transition:width .5s ease;border-radius:var(--radius-lg)}.progress-text[data-v-edf3f3b1]{font-size:.875rem;color:var(--text-muted);text-align:center}.actions-section[data-v-edf3f3b1]{display:flex;gap:var(--spacing-md);justify-content:center;flex-wrap:wrap;padding-top:var(--spacing-xl);border-top:1px solid var(--bg-tertiary)}.loading-container[data-v-edf3f3b1],.error-container[data-v-edf3f3b1]{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:50vh;text-align:center}.error-message[data-v-edf3f3b1]{color:var(--secondary);font-size:1.125rem}@media (max-width: 768px){.lesson-title[data-v-edf3f3b1]{font-size:1.75rem}.actions-section[data-v-edf3f3b1]{flex-direction:column}.actions-section .btn[data-v-edf3f3b1]{width:100%}}*{margin:0;padding:0;box-sizing:border-box}:root{--primary: rgb(238, 196, 104);--primary-dark: rgb(198, 156, 64);--primary-light: rgb(255, 230, 160);--secondary: #eab308;--secondary-dark: #ca8a04;--accent: #eab308;--accent-dark: #ca8a04;--danger: #ef4444;--success: #10b981;--bg-primary: #020617;--bg-secondary: #0f172a;--bg-tertiary: #1e293b;--bg-input: #334155;--text-primary: #f8fafc;--text-secondary: #cbd5e1;--text-muted: #64748b;--gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);--gradient-secondary: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%);--gradient-dark: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);--gradient-card: linear-gradient(145deg, var(--bg-tertiary), var(--bg-secondary));--gradient-glow: radial-gradient(circle at center, rgba(238, 196, 104, .15) 0%, transparent 70%);--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .5);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .6);--shadow-glow: 0 0 20px rgba(238, 196, 104, .4);--spacing-xs: .5rem;--spacing-sm: .75rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .35s ease}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}#app{min-height:100vh;background:var(--gradient-dark)}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2;margin-bottom:var(--spacing-md)}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}h4{font-size:1.25rem}h5{font-size:1.125rem}h6{font-size:1rem}p{margin-bottom:var(--spacing-md);color:var(--text-secondary)}.container{max-width:1200px;margin:0 auto;padding:var(--spacing-lg)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-lg);font-size:1rem;font-weight:600;border:none;border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-base);text-decoration:none;white-space:nowrap}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:var(--shadow-md)}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg),var(--shadow-glow)}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);box-shadow:var(--shadow-sm)}.btn-secondary:hover{background:var(--bg-secondary);transform:translateY(-1px)}.btn-outline{background:transparent;color:var(--primary-light);border:2px solid var(--primary)}.btn-outline:hover{background:var(--primary);color:#fff}.btn-lg{padding:var(--spacing-md) var(--spacing-xl);font-size:1.125rem}.btn-disabled{opacity:.5;cursor:not-allowed;pointer-events:none}.card{background:var(--bg-secondary);background-image:var(--gradient-card);border:1px solid rgba(255,255,255,.05);border-radius:var(--radius-xl);padding:var(--spacing-lg);box-shadow:var(--shadow-md);transition:all var(--transition-base)}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl)}.card-glass{background:#1e293b99;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1)}.grid{display:grid;gap:var(--spacing-lg)}.grid-2{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}.grid-3{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}.badge{display:inline-block;padding:.25rem .75rem;font-size:.875rem;font-weight:600;border-radius:var(--radius-md);background:var(--bg-tertiary);color:var(--text-secondary)}.badge-primary{background:var(--primary);color:#fff}.badge-success{background:var(--accent);color:#fff}.badge-secondary{background:var(--secondary);color:#fff}.icon{display:inline-flex;align-items:center;justify-content:center;width:1.5rem;height:1.5rem}.icon-lg{width:3rem;height:3rem}.spinner{border:3px solid var(--bg-tertiary);border-top-color:var(--primary);border-radius:50%;width:2rem;height:2rem;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .5s ease forwards}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.slide-up{animation:slideUp .6s ease forwards}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}.pulse{animation:pulse 2s ease-in-out infinite}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-sm{gap:var(--spacing-sm)}.gap-md{gap:var(--spacing-md)}.gap-lg{gap:var(--spacing-lg)}.mt-sm{margin-top:var(--spacing-sm)}.mt-md{margin-top:var(--spacing-md)}.mt-lg{margin-top:var(--spacing-lg)}.mt-xl{margin-top:var(--spacing-xl)}.mb-sm{margin-bottom:var(--spacing-sm)}.mb-md{margin-bottom:var(--spacing-md)}.mb-lg{margin-bottom:var(--spacing-lg)}.mb-xl{margin-bottom:var(--spacing-xl)}.w-full{width:100%}.h-full{height:100%}@media (max-width: 768px){h1{font-size:2rem}h2{font-size:1.75rem}h3{font-size:1.25rem}.container{padding:var(--spacing-md)}.grid-2,.grid-3{grid-template-columns:1fr}}