@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap";.game-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-md)}@media(max-width:768px){.game-stats{grid-template-columns:1fr}}.stat-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:var(--spacing-lg);display:flex;flex-direction:column;align-items:center;gap:var(--spacing-sm);position:relative;overflow:hidden;transition:all var(--transition-base)}.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.stat-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px}.stat-points-card:before{background:linear-gradient(90deg,var(--color-points),#fbbf24)}.stat-hearts-card:before{background:linear-gradient(90deg,var(--color-hearts),#f472b6)}.stat-streak-card:before{background:linear-gradient(90deg,var(--color-streak),#fb923c)}.stat-points-card{color:var(--color-points)}.stat-hearts-card{color:var(--color-hearts)}.stat-streak-card{color:var(--color-streak)}.stat-icon{padding:var(--spacing-md);background:var(--bg-glass);border-radius:var(--radius-full)}.stat-info{display:flex;flex-direction:column;align-items:center}.stat-value{font-size:2rem;font-weight:700}.stat-label{font-size:.875rem;color:var(--text-muted)}.hearts-display{display:flex;gap:var(--spacing-xs);margin-top:var(--spacing-sm)}.heart-filled{color:var(--color-hearts);animation:heartBeat .3s ease-in-out}.heart-empty{color:var(--text-muted);opacity:.3}@keyframes heartBeat{0%,to{transform:scale(1)}50%{transform:scale(1.2)}}.streak-fire{font-size:1.5rem;animation:flicker .5s ease-in-out infinite alternate}@keyframes flicker{0%{transform:scale(1) rotate(-5deg)}to{transform:scale(1.1) rotate(5deg)}}.game-stats-compact{display:flex;gap:var(--spacing-sm)}.stat-badge{display:flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-full);font-size:.875rem;font-weight:600}.stat-points{background:#eab30826;color:var(--color-points);border:1px solid rgba(234,179,8,.3)}.stat-hearts{background:#ec489926;color:var(--color-hearts);border:1px solid rgba(236,72,153,.3)}.stat-streak{background:#f9731626;color:var(--color-streak);border:1px solid rgba(249,115,22,.3)}.points-display,.streak-display{display:flex;align-items:center;gap:var(--spacing-xs)}.points-icon{color:var(--color-points)}.points-value{font-weight:600;color:var(--color-points)}.streak-icon{color:var(--color-streak)}.streak-value{font-weight:600;color:var(--color-streak)}.streak-bonus{animation:flicker .5s ease-in-out infinite alternate}.hearts-display-inline{display:flex;gap:2px}.hearts-display-inline .heart-filled{color:var(--color-hearts)}.hearts-display-inline .heart-empty{color:var(--text-muted);opacity:.3}.layout{min-height:100vh;display:flex;flex-direction:column;padding-bottom:0}.header{position:sticky;top:0;z-index:100;background:#0f0f1af2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--border-color)}.header-content{max-width:1400px;margin:0 auto;padding:var(--spacing-md) var(--spacing-lg);display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-xl)}.logo{display:flex;align-items:center;gap:var(--spacing-sm);font-size:1.5rem;font-weight:800;color:var(--text-primary);text-decoration:none}.logo svg{color:var(--color-primary-500)}.nav-links{display:flex;gap:var(--spacing-md)}.nav-link{display:flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-sm) var(--spacing-md);color:var(--text-secondary);text-decoration:none;border-radius:var(--radius-md);transition:all var(--transition-fast);font-weight:500}.nav-link:hover{color:var(--text-primary);background:var(--bg-glass)}.nav-link.active{color:var(--color-primary-400);background:#6366f126}.study-buddy-link{background:linear-gradient(135deg,#10b9811a,#0596691a);border:1px solid rgba(16,185,129,.2)}.study-buddy-link:hover,.study-buddy-link.active{background:linear-gradient(135deg,#10b98133,#05966933);border-color:#10b98166;color:#10b981}.header-right{display:flex;align-items:center;gap:var(--spacing-lg)}.user-menu{display:flex;align-items:center;gap:var(--spacing-md)}.user-info{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-glass);border:1px solid var(--border-color);border-radius:var(--radius-full);text-decoration:none;transition:all var(--transition-fast)}.user-info:hover{border-color:var(--color-primary-400)}.avatar{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:var(--color-primary-500);border-radius:var(--radius-full);color:#fff}.username{font-weight:500;color:var(--text-primary)}.logout-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;background:var(--bg-glass);border:1px solid var(--border-color);border-radius:var(--radius-full);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast)}.logout-btn:hover{background:#ef444433;border-color:var(--color-error-500);color:var(--color-error-500)}.profile-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;background:var(--bg-glass);border:1px solid var(--border-color);border-radius:var(--radius-full);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);text-decoration:none}.profile-btn:hover{background:#6366f133;border-color:var(--color-primary-400);color:var(--color-primary-400)}.avatar-img{width:100%;height:100%;border-radius:50%;object-fit:cover}.auth-buttons{display:flex;gap:var(--spacing-sm)}.main-content{flex:1;padding:var(--spacing-xl) var(--spacing-lg);max-width:1400px;margin:0 auto;width:100%}.footer{background:var(--bg-secondary);border-top:1px solid var(--border-color);margin-top:auto}.footer-content{max-width:1400px;margin:0 auto;padding:var(--spacing-lg);text-align:center}.footer-content p{color:var(--text-muted);font-size:.875rem}.bottom-nav{display:none}@media(max-width:1024px){.header-content{padding:var(--spacing-sm) var(--spacing-md);gap:var(--spacing-md)}.nav-link span{display:none}.nav-link{padding:var(--spacing-sm)}.username{display:none}.main-content{padding:var(--spacing-lg) var(--spacing-md)}}@media(max-width:768px){.layout{padding-bottom:70px}.desktop-nav{display:none!important}.header-content{padding:var(--spacing-sm) var(--spacing-md);gap:var(--spacing-sm)}.logo span{display:none}.logo svg{width:32px;height:32px}.game-stats-compact{display:none!important}.user-info{padding:var(--spacing-xs) var(--spacing-sm)}.username{display:none}.avatar{width:28px;height:28px}.logout-btn{width:32px;height:32px}.auth-buttons .btn{padding:var(--spacing-xs) var(--spacing-sm);font-size:.85rem}.main-content{padding:var(--spacing-md)}.footer{display:none}.bottom-nav{display:flex;position:fixed;bottom:0;left:0;right:0;height:70px;background:#0f0f1afa;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-top:1px solid var(--border-color);z-index:1000;justify-content:space-around;align-items:center;padding:var(--spacing-xs) 0;padding-bottom:env(safe-area-inset-bottom,var(--spacing-xs))}.bottom-nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:var(--spacing-xs) var(--spacing-sm);color:var(--text-muted);text-decoration:none;font-size:.7rem;font-weight:500;border-radius:var(--radius-md);transition:all var(--transition-fast);min-width:60px}.bottom-nav-item:hover,.bottom-nav-item:active{color:var(--text-secondary)}.bottom-nav-item.active{color:var(--color-primary-400)}.bottom-nav-item.active svg{transform:scale(1.1)}.bottom-nav-item svg{transition:transform var(--transition-fast)}}@media(max-width:375px){.bottom-nav-item{min-width:50px;padding:var(--spacing-xs) 4px;font-size:.65rem}.bottom-nav-item svg{width:20px;height:20px}.auth-buttons{flex-direction:column;gap:4px}.auth-buttons .btn{padding:4px 8px;font-size:.8rem}}.home-page{padding-bottom:var(--spacing-2xl)}.hero{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-2xl);align-items:center;min-height:70vh;padding:var(--spacing-2xl) 0}@media(max-width:968px){.hero{grid-template-columns:1fr;text-align:center}}.hero-content{display:flex;flex-direction:column;gap:var(--spacing-lg)}.hero-badge{display:inline-flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);background:#8b5cf626;border:1px solid rgba(139,92,246,.3);border-radius:var(--radius-full);color:var(--color-primary-400);font-size:.875rem;font-weight:500;width:fit-content}@media(max-width:968px){.hero-badge{margin:0 auto}}.hero-title{font-size:3.5rem;font-weight:800;line-height:1.1;color:var(--text-primary)}@media(max-width:640px){.hero-title{font-size:2.5rem}}.hero-subtitle{font-size:1.25rem;color:var(--text-secondary);line-height:1.7;max-width:500px}@media(max-width:968px){.hero-subtitle{margin:0 auto}}.hero-actions{display:flex;gap:var(--spacing-md);margin-top:var(--spacing-lg)}@media(max-width:968px){.hero-actions{justify-content:center}}@media(max-width:480px){.hero-actions{flex-direction:column}}.hero-visual{position:relative;height:400px}@media(max-width:968px){.hero-visual{display:none}}.floating-card{position:absolute;display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md) var(--spacing-lg);background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);font-weight:600;animation:float 3s ease-in-out infinite}.card-1{top:20%;left:10%;color:var(--color-points);animation-delay:0s}.card-2{top:50%;right:10%;color:var(--color-streak);animation-delay:.5s}.card-3{bottom:20%;left:20%;color:var(--color-success-400);animation-delay:1s}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-15px)}}.features{padding:var(--spacing-2xl) 0}.section-title{font-size:2rem;font-weight:700;text-align:center;margin-bottom:var(--spacing-2xl)}.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--spacing-lg)}@media(max-width:1024px){.features-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){.features-grid{grid-template-columns:1fr}}.feature-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:var(--spacing-xl);text-align:center;transition:all var(--transition-base)}.feature-card:hover{transform:translateY(-8px);border-color:var(--color-primary-500);box-shadow:var(--shadow-lg),var(--shadow-glow)}.feature-icon{display:inline-flex;padding:var(--spacing-md);background:linear-gradient(135deg,var(--color-primary-500),var(--color-secondary-500));border-radius:var(--radius-lg);color:#fff;margin-bottom:var(--spacing-md)}.feature-card h3{font-size:1.125rem;margin-bottom:var(--spacing-sm);color:var(--text-primary)}.feature-card p{font-size:.9rem;color:var(--text-muted);line-height:1.6}.auth-page{min-height:calc(100vh - 200px);display:flex;align-items:center;justify-content:center;padding:var(--spacing-xl)}.auth-container{width:100%;max-width:440px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:var(--spacing-2xl);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.auth-header{text-align:center;margin-bottom:var(--spacing-2xl)}.auth-header h1{font-size:1.75rem;font-weight:700;margin-bottom:var(--spacing-sm)}.auth-header p{color:var(--text-muted)}.auth-form{display:flex;flex-direction:column;gap:var(--spacing-md)}.auth-error{padding:var(--spacing-md);background:#ef444426;border:1px solid var(--color-error-500);border-radius:var(--radius-md);color:var(--color-error-400);font-size:.9rem;text-align:center}.input-wrapper{position:relative}.input-icon{position:absolute;left:var(--spacing-md);top:50%;transform:translateY(-50%);color:var(--text-muted)}.input-wrapper .input{padding-left:calc(var(--spacing-md) * 2 + 18px)}.auth-footer{margin-top:var(--spacing-xl);text-align:center}.auth-footer p{color:var(--text-muted)}.auth-footer a{color:var(--color-primary-400);font-weight:500}.auth-footer a:hover{text-decoration:underline}.auth-divider{display:flex;align-items:center;gap:var(--spacing-md);margin:var(--spacing-lg) 0}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:var(--border-color)}.auth-divider span{color:var(--text-muted);font-size:.875rem;text-transform:uppercase;letter-spacing:.05em}.btn-google{display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-md) var(--spacing-lg);background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-weight:500;font-size:1rem;cursor:pointer;transition:all .2s ease}.btn-google:hover:not(:disabled){background:var(--bg-secondary);border-color:var(--text-muted)}.btn-google:disabled{opacity:.6;cursor:not-allowed}.auth-tabs{display:flex;gap:var(--spacing-sm);margin-bottom:var(--spacing-lg);padding:4px;background:var(--bg-tertiary);border-radius:var(--radius-md)}.auth-tab{flex:1;display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);background:transparent;border:none;border-radius:var(--radius-sm);color:var(--text-muted);font-weight:500;cursor:pointer;transition:all .2s ease}.auth-tab:hover{color:var(--text-primary)}.auth-tab.active{background:var(--bg-card);color:var(--text-primary);box-shadow:0 1px 3px #0000001a}.form-hint{display:block;margin-top:var(--spacing-xs);font-size:.75rem;color:var(--text-muted)}.otp-input{letter-spacing:.5em;text-align:center;font-size:1.25rem;font-weight:600}.btn-text{background:transparent;border:none;color:var(--color-primary-400);font-weight:500;cursor:pointer;padding:var(--spacing-sm);margin-top:var(--spacing-sm)}.btn-text:hover{text-decoration:underline}.course-card{display:flex;flex-direction:column;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-xl);overflow:hidden;text-decoration:none;transition:all var(--transition-base)}.course-card:hover{transform:translateY(-6px);border-color:var(--color-primary-500);box-shadow:var(--shadow-lg),var(--shadow-glow)}.course-thumbnail{position:relative;aspect-ratio:16 / 9;background:var(--bg-tertiary);overflow:hidden}.course-thumbnail img{width:100%;height:100%;object-fit:cover}.course-thumbnail-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--color-primary-800),var(--color-primary-900));color:var(--color-primary-300)}.enrolled-badge{position:absolute;top:var(--spacing-sm);right:var(--spacing-sm);padding:var(--spacing-xs) var(--spacing-sm);background:var(--color-success-500);color:#fff;font-size:.75rem;font-weight:600;border-radius:var(--radius-sm)}.course-content{flex:1;padding:var(--spacing-lg)}.course-title{font-size:1.125rem;font-weight:700;color:var(--text-primary);margin-bottom:var(--spacing-sm);line-height:1.4}.course-description{font-size:.875rem;color:var(--text-muted);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:var(--spacing-md)}.course-meta{display:flex;gap:var(--spacing-md)}.meta-item{display:flex;align-items:center;gap:var(--spacing-xs);font-size:.75rem;color:var(--text-muted)}.course-action{padding:var(--spacing-md) var(--spacing-lg);border-top:1px solid var(--border-color)}.course-action .btn{width:100%}.dashboard-page{display:flex;flex-direction:column;gap:var(--spacing-2xl)}.dashboard-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:50vh;gap:var(--spacing-lg)}.dashboard-header h1{font-size:2rem;margin-bottom:var(--spacing-xs)}.dashboard-header p{color:var(--text-muted)}.section-title{font-size:1.25rem;font-weight:700;margin-bottom:var(--spacing-lg)}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-lg)}.section-header .section-title{margin-bottom:0}.progress-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--spacing-lg)}@media(max-width:768px){.progress-grid{grid-template-columns:1fr}}.progress-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:var(--spacing-lg)}.progress-card .progress-icon{display:inline-flex;padding:var(--spacing-sm);background:var(--bg-glass);border-radius:var(--radius-md);color:var(--color-primary-400);margin-bottom:var(--spacing-md)}.progress-info{display:flex;flex-direction:column;gap:var(--spacing-xs);margin-bottom:var(--spacing-md)}.progress-value{font-size:1.5rem;font-weight:700;color:var(--text-primary)}.progress-label{font-size:.875rem;color:var(--text-muted)}.progress-bar-container{height:8px;background:var(--bg-glass);border-radius:var(--radius-full);overflow:hidden}.progress-bar-container .progress-bar{height:100%;background:linear-gradient(90deg,var(--color-primary-500),var(--color-secondary-500));border-radius:var(--radius-full);transition:width .5s ease}.courses-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-lg)}@media(max-width:1024px){.courses-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){.courses-grid{grid-template-columns:1fr}}.empty-courses{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-2xl);background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-xl);text-align:center;gap:var(--spacing-md);color:var(--text-muted)}.empty-courses h3{margin-top:var(--spacing-md)}.empty-courses p{margin-bottom:var(--spacing-md)}.courses-page,.course-detail-page{padding-bottom:var(--spacing-2xl)}.page-header{margin-bottom:var(--spacing-2xl)}.page-header h1{font-size:2rem;margin-bottom:var(--spacing-sm)}.courses-list-grid{display:flex;flex-direction:column;gap:var(--spacing-md)}.course-item{display:flex;align-items:center;gap:var(--spacing-lg);padding:var(--spacing-lg);background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);text-decoration:none;transition:all var(--transition-base)}.course-item:hover{transform:translate(8px);border-color:var(--color-primary-500);box-shadow:var(--shadow-md)}.course-item-icon{display:flex;align-items:center;justify-content:center;width:48px;height:48px;background:linear-gradient(135deg,var(--color-primary-500),var(--color-primary-700));border-radius:var(--radius-md);color:#fff;flex-shrink:0}.course-item-content{flex:1}.course-item-content h3{font-size:1.125rem;margin-bottom:var(--spacing-xs);color:var(--text-primary)}.course-item-content p{font-size:.875rem;color:var(--text-muted)}.course-item-arrow{color:var(--text-muted);transition:transform var(--transition-fast)}.course-item:hover .course-item-arrow{transform:translate(4px);color:var(--color-primary-400)}.course-hero{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:var(--spacing-2xl);margin-bottom:var(--spacing-2xl)}.course-hero-content h1{font-size:2rem;margin-bottom:var(--spacing-md)}.course-hero-content p{font-size:1.125rem;color:var(--text-secondary);margin-bottom:var(--spacing-xl);max-width:600px}.enrolled-status{display:inline-flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-lg);background:#22c55e26;border:1px solid var(--color-success-500);border-radius:var(--radius-full);color:var(--color-success-400);font-weight:600}.modules-section h2{font-size:1.5rem;margin-bottom:var(--spacing-xl)}.module-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-xl);overflow:hidden;margin-bottom:var(--spacing-lg)}.module-header{display:flex;align-items:center;gap:var(--spacing-lg);padding:var(--spacing-lg);background:var(--bg-tertiary);border-bottom:1px solid var(--border-color)}.module-number{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:var(--color-primary-500);border-radius:var(--radius-md);color:#fff;font-weight:700;flex-shrink:0}.module-info h3{font-size:1.125rem;margin-bottom:var(--spacing-xs)}.module-info p{font-size:.875rem;color:var(--text-muted)}.module-content-list{padding:var(--spacing-md)}.content-item{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md) var(--spacing-lg);border-radius:var(--radius-md);text-decoration:none;transition:all var(--transition-fast);color:var(--text-primary)}.content-item:hover:not(.locked){background:var(--bg-glass)}.content-item.locked{opacity:.5;cursor:not-allowed}.content-item.completed .content-icon{color:var(--color-success-500)}.content-icon{display:flex;align-items:center;justify-content:center;width:32px;height:32px;background:var(--bg-glass);border-radius:var(--radius-md);color:var(--color-primary-400);flex-shrink:0}.content-title{flex:1;font-weight:500}.content-type{font-size:.75rem;padding:var(--spacing-xs) var(--spacing-sm);background:var(--bg-glass);border-radius:var(--radius-sm);color:var(--text-muted)}.content-item.assessment .content-icon{color:var(--color-warning-500)}.content-item.practice{background:linear-gradient(135deg,#8b5cf61a,#06b6d41a);border:1px dashed rgba(139,92,246,.3);margin-top:var(--spacing-sm)}.content-item.practice:hover:not(.locked){background:linear-gradient(135deg,#8b5cf633,#06b6d433);border-color:#8b5cf680}.content-item.practice .practice-icon{background:linear-gradient(135deg,var(--color-primary-500),#06b6d4);color:#fff}.content-item.practice .practice-type{background:linear-gradient(135deg,#8b5cf64d,#06b6d44d);color:var(--color-primary-400)}.empty-state,.error-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-2xl);text-align:center;color:var(--text-muted);gap:var(--spacing-md)}@media(max-width:1024px){.course-hero{padding:var(--spacing-xl)}.course-hero-content h1{font-size:1.75rem}.module-header{gap:var(--spacing-md)}}@media(max-width:768px){.courses-page,.course-detail-page{padding-bottom:var(--spacing-lg)}.page-header{margin-bottom:var(--spacing-lg)}.page-header h1{font-size:1.5rem}.course-item{flex-direction:column;align-items:flex-start;gap:var(--spacing-md);padding:var(--spacing-md)}.course-item:hover{transform:translate(0);transform:translateY(-4px)}.course-item-arrow{align-self:flex-end}.course-hero{padding:var(--spacing-lg);margin-bottom:var(--spacing-lg);border-radius:var(--radius-lg)}.course-hero-content h1{font-size:1.5rem}.course-hero-content p{font-size:1rem}.enrolled-status{padding:var(--spacing-xs) var(--spacing-md);font-size:.875rem}.modules-section h2{font-size:1.25rem;margin-bottom:var(--spacing-lg)}.module-card{border-radius:var(--radius-lg)}.module-header{flex-direction:column;align-items:flex-start;gap:var(--spacing-sm);padding:var(--spacing-md)}.module-number{width:36px;height:36px;font-size:.875rem}.module-info h3{font-size:1rem}.content-item{padding:var(--spacing-sm) var(--spacing-md)}.content-icon{width:28px;height:28px}.content-type{font-size:.65rem}}@media(max-width:480px){.course-item-content h3{font-size:1rem}.course-hero{padding:var(--spacing-md)}.course-hero-content h1{font-size:1.25rem}.course-hero-content p{font-size:.875rem;margin-bottom:var(--spacing-lg)}.enrolled-status{width:100%;justify-content:center}.module-content-list{padding:var(--spacing-sm)}.content-item{padding:var(--spacing-xs) 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var(--transition-fast)}.lottie-btn:hover:not(:disabled){background:var(--color-primary-500);border-color:var(--color-primary-500);transform:scale(1.1)}.lottie-btn:disabled{opacity:.3;cursor:not-allowed}.lottie-btn.play-btn{width:56px;height:56px;font-size:1rem;background:linear-gradient(135deg,var(--color-primary-500),var(--color-primary-700));border:none;box-shadow:var(--shadow-glow)}.lottie-btn.play-btn:hover{transform:scale(1.1);box-shadow:0 0 30px #8b5cf680}.lottie-slide-indicator{display:flex;justify-content:center;gap:var(--spacing-sm)}.slide-dot{width:10px;height:10px;border-radius:var(--radius-full);background:var(--bg-glass);border:1px solid var(--border-color);cursor:pointer;transition:all 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.answer-letter{background:var(--color-error-500);color:#fff}.answer-text{flex:1;font-size:1rem;color:var(--text-primary)}.answer-icon{flex-shrink:0}.answer-icon.correct{color:var(--color-success-500)}.answer-icon.incorrect{color:var(--color-error-500)}.result-feedback{margin-top:var(--spacing-xl);padding:var(--spacing-lg);border-radius:var(--radius-lg);animation:slideIn .3s ease-out}@keyframes slideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.result-feedback.correct{background:#22c55e26;border:1px solid var(--color-success-500)}.result-feedback.incorrect{background:#ef444426;border:1px solid var(--color-error-500)}.result-header{display:flex;align-items:center;gap:var(--spacing-sm);font-size:1.125rem;font-weight:600;margin-bottom:var(--spacing-sm)}.result-feedback.correct .result-header{color:var(--color-success-400)}.result-feedback.incorrect .result-header{color:var(--color-error-400)}.result-explanation{color:var(--text-secondary);font-size:.9rem;line-height:1.6}@media(max-width:1024px){.question-card{padding:var(--spacing-lg)}}@media(max-width:768px){.question-card{padding:var(--spacing-md);border-radius:var(--radius-lg)}.question-header{margin-bottom:var(--spacing-md)}.question-text{font-size:1.125rem;margin-bottom:var(--spacing-lg)}.answers-list{gap:var(--spacing-sm)}.answer-option{padding:var(--spacing-md);gap:var(--spacing-sm);border-radius:var(--radius-md)}.answer-letter{width:28px;height:28px;font-size:.75rem}.answer-text{font-size:.9rem}.result-feedback{padding:var(--spacing-md);margin-top:var(--spacing-lg)}.result-header{font-size:1rem}.result-explanation{font-size:.85rem}}@media(max-width:480px){.question-card{padding:var(--spacing-sm);border-radius:var(--radius-md)}.question-text{font-size:1rem}.answer-option{padding:var(--spacing-sm) 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solid rgba(255,255,255,.1);overflow:hidden;display:flex;flex-direction:column;box-shadow:0 25px 50px -12px #00000080;animation:slideUp .3s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.widget-header{display:flex;align-items:center;gap:.75rem;padding:1rem;background:#0000004d;border-bottom:1px solid rgba(255,255,255,.1)}.widget-header-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#10b981,#059669);display:flex;align-items:center;justify-content:center;font-size:1.25rem}.widget-header-info{flex:1}.widget-header-info h3{color:#fff;font-size:1rem;margin:0}.widget-header-info p{color:#fff9;font-size:.75rem;margin:0}.widget-context{font-size:.7rem;color:#8b5cf6cc;background:#8b5cf626;padding:.25rem .5rem;border-radius:.25rem;margin-top:.25rem;display:inline-block}.widget-messages{flex:1;overflow-y:auto;padding:1rem;display:flex;flex-direction:column;gap:.75rem}.widget-message{display:flex;gap:.5rem;max-width:90%;animation:fadeIn .3s ease-out}.widget-message.user{align-self:flex-end;flex-direction:row-reverse}.widget-message.assistant{align-self:flex-start}.widget-message-content{padding:.75rem 1rem;border-radius:1rem;font-size:.9rem;line-height:1.5}.widget-message.user .widget-message-content{background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;border-bottom-right-radius:.25rem}.widget-message.assistant .widget-message-content{background:#ffffff1a;color:#fff;border-bottom-left-radius:.25rem}.widget-typing{display:flex;gap:.25rem;padding:.75rem 1rem;background:#ffffff1a;border-radius:1rem 1rem 1rem .25rem;align-self:flex-start}.widget-typing span{width:6px;height:6px;background:#fff9;border-radius:50%;animation:widgetTypingBounce 1.4s infinite ease-in-out}.widget-typing span:nth-child(1){animation-delay:0s}.widget-typing span:nth-child(2){animation-delay:.2s}.widget-typing span:nth-child(3){animation-delay:.4s}@keyframes widgetTypingBounce{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-5px)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.widget-input{display:flex;gap:.5rem;padding:.75rem;background:#0000004d;border-top:1px solid rgba(255,255,255,.1)}.widget-input input{flex:1;background:#ffffff14;border:1px solid rgba(255,255,255,.15);border-radius:1.5rem;padding:.625rem 1rem;color:#fff;font-size:.9rem}.widget-input input::placeholder{color:#fff6}.widget-input input:focus{outline:none;border-color:#8b5cf680}.widget-send-btn{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#6366f1,#8b5cf6);border:none;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s 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var(--transition-fast)}.back-btn:hover{background:var(--bg-tertiary);color:var(--text-primary)}.lesson-header h1{flex:1;font-size:1.5rem}.lesson-progress{padding:var(--spacing-xs) var(--spacing-md);background:var(--bg-glass);border:1px solid var(--border-color);border-radius:var(--radius-full);font-size:.875rem;color:var(--text-muted)}.lesson-content,.animation-phase{display:flex;flex-direction:column;gap:var(--spacing-xl)}.no-animation{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:var(--spacing-2xl);text-align:center}.no-animation p{margin-bottom:var(--spacing-lg);color:var(--text-muted)}.phase-actions{display:flex;justify-content:center;margin-top:var(--spacing-lg)}.question-progress-container{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:var(--spacing-md) var(--spacing-lg)}.question-progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-sm)}.progress-label{font-size:.875rem;font-weight:600;color:var(--text-secondary)}.progress-count{font-size:.875rem;font-weight:700;color:var(--color-primary-400)}.question-progress-bar{width:100%;height:10px;background:var(--bg-tertiary);border-radius:var(--radius-full);overflow:hidden}.question-progress-fill{height:100%;background:linear-gradient(90deg,var(--color-primary-500),var(--color-secondary-500));border-radius:var(--radius-full);transition:width .4s ease-out}.complete-phase{display:flex;justify-content:center;padding:var(--spacing-2xl)}.complete-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:var(--spacing-2xl);text-align:center;max-width:500px;width:100%;animation:celebrationPop .5s ease-out}@keyframes celebrationPop{0%{opacity:0;transform:scale(.8)}50%{transform:scale(1.05)}to{opacity:1;transform:scale(1)}}.complete-icon{display:inline-flex;padding:var(--spacing-lg);background:linear-gradient(135deg,var(--color-primary-500),var(--color-secondary-500));border-radius:var(--radius-full);color:#fff;margin-bottom:var(--spacing-lg);animation:float 2s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.complete-card h2{font-size:1.75rem;margin-bottom:var(--spacing-sm)}.complete-card>p{color:var(--text-muted);margin-bottom:var(--spacing-xl)}.complete-stats{display:flex;justify-content:center;gap:var(--spacing-xl);margin-bottom:var(--spacing-xl);padding:var(--spacing-lg);background:var(--bg-glass);border-radius:var(--radius-lg)}.complete-stats .stat-item{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-xs)}.complete-stats .stat-value{font-size:2rem;font-weight:700;color:var(--color-points)}.complete-stats .stat-label{font-size:.875rem;color:var(--text-muted)}.complete-actions{display:flex;justify-content:center}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:50vh;gap:var(--spacing-lg)}.loading-spinner{width:48px;height:48px;border:4px solid var(--border-color);border-top-color:var(--color-primary-500);border-radius:50%;animation:spin 1s linear infinite}.error-state{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:50vh;gap:var(--spacing-lg);text-align:center}@media(max-width:1024px){.lesson-page{max-width:100%;padding:0 var(--spacing-md)}.lesson-header h1{font-size:1.35rem}.complete-card{padding:var(--spacing-xl)}.complete-stats .stat-value{font-size:1.75rem}}@media(max-width:768px){.lesson-page{padding:0 var(--spacing-sm)}.lesson-header{flex-direction:column;align-items:flex-start;gap:var(--spacing-sm);margin-bottom:var(--spacing-lg)}.lesson-header h1{font-size:1.25rem;order:1;width:100%}.back-btn{order:0;padding:var(--spacing-xs) var(--spacing-sm);font-size:.875rem}.lesson-progress{order:2;align-self:flex-start;font-size:.75rem;padding:var(--spacing-xs) var(--spacing-sm)}.lesson-content,.animation-phase,.questions-phase{gap:var(--spacing-lg)}.phase-actions{margin-top:var(--spacing-md)}.phase-actions .btn{width:100%;justify-content:center}.no-animation{padding:var(--spacing-xl)}.complete-phase,.complete-card{padding:var(--spacing-lg)}.complete-card h2{font-size:1.5rem}.complete-icon{padding:var(--spacing-md)}.complete-icon svg{width:48px;height:48px}.complete-stats{padding:var(--spacing-md);gap:var(--spacing-md)}.complete-stats .stat-value{font-size:1.5rem}.complete-stats .stat-label{font-size:.75rem}}@media(max-width:480px){.lesson-page{padding:0 var(--spacing-xs)}.lesson-header{gap:var(--spacing-xs);margin-bottom:var(--spacing-md)}.lesson-header h1{font-size:1.125rem}.back-btn{font-size:.75rem}.back-btn span{display:none}.complete-card{padding:var(--spacing-md);border-radius:var(--radius-lg)}.complete-card h2{font-size:1.25rem}.complete-stats .stat-value{font-size:1.35rem}.loading-container,.error-state{min-height:40vh;padding:var(--spacing-md)}}.assessment-page{max-width:800px;margin:0 auto}.assessment-header{display:flex;align-items:center;gap:var(--spacing-lg);margin-bottom:var(--spacing-xl)}.assessment-header h1{font-size:1.5rem}.intro-phase{display:flex;justify-content:center;padding:var(--spacing-2xl)}.intro-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:var(--spacing-2xl);text-align:center;max-width:500px}.intro-icon{color:var(--color-primary-400);margin-bottom:var(--spacing-lg)}.intro-card 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