*{box-sizing:border-box}:root[data-theme=light]{--bg-primary: #FAF7FE;--bg-secondary: #EDE7F6;--bg-tertiary: #D1C4E9;--text-primary: #444452;--text-secondary: #666674;--text-tertiary: #888896;--border-color: #D1C4E9;--shadow: rgba(126, 87, 194, .1);--shadow-hover: rgba(126, 87, 194, .2);--accent-primary: #7E57C2;--accent-secondary: #B39DDB;--accent-hover: #5E35B1;--success: #26A69A;--warning: #FFA726;--danger: #EC407A;--card-bg: #FFFFFF;--input-bg: #FFFFFF;--sidebar-bg: #FFFFFF;--scrollbar-track: #EDE7F6;--scrollbar-thumb: #B39DDB;--scrollbar-thumb-hover: #7E57C2}:root[data-theme=dark]{--bg-primary: #333344;--bg-secondary: #444452;--bg-tertiary: #555566;--text-primary: #FAF7FE;--text-secondary: #E1DDE9;--text-tertiary: #B39DDB;--border-color: #666674;--shadow: rgba(126, 87, 194, .2);--shadow-hover: rgba(126, 87, 194, .3);--accent-primary: #7E57C2;--accent-secondary: #B39DDB;--accent-hover: #5E35B1;--success: #26A69A;--warning: #FFA726;--danger: #EC407A;--card-bg: #444452;--input-bg: 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p:last-child{margin-bottom:0}.typing-indicator{display:flex;gap:6px;padding:16px}.typing-indicator span{width:8px;height:8px;border-radius:50%;background:var(--accent-primary);animation:typing 1.4s infinite}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes typing{0%,60%,to{transform:translateY(0);opacity:.5}30%{transform:translateY(-10px);opacity:1}}.chat-input-form{padding:20px;border-top:1px solid var(--border-color);background:var(--bg-secondary)}.input-wrapper{display:flex;gap:12px;align-items:flex-end}.input-wrapper textarea{flex:1;background:var(--input-bg);border:1px solid var(--border-color);border-radius:12px;color:var(--text-primary);padding:14px 16px;font-size:15px;font-family:inherit;resize:none;max-height:120px;transition:all .2s}.input-wrapper textarea:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px #fe2c551a}.input-wrapper textarea::placeholder{color:var(--text-tertiary)}.send-button{width:48px;height:48px;background:var(--accent-primary);color:#fff;border:none;border-radius:12px;font-size:20px;cursor:pointer;transition:all .2s;flex-shrink:0;display:flex;align-items:center;justify-content:center}.send-button:hover:not(:disabled){background:var(--accent-hover);transform:scale(1.05)}.send-button:disabled{opacity:.5;cursor:not-allowed}.loading-icon{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.ai-sidebar{display:flex;flex-direction:column;gap:20px;overflow-y:auto}.sidebar-section{background:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;padding:20px;box-shadow:0 2px 4px var(--shadow)}.sidebar-section h3{color:var(--text-primary);font-size:16px;font-weight:600;margin:0 0 16px;display:flex;align-items:center;gap:8px}.sidebar-section h3 svg{color:var(--accent-primary)}.sidebar-section ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}.sidebar-section li{color:var(--text-secondary);font-size:14px;padding-left:20px;position:relative}.sidebar-section li:before{content:"•";position:absolute;left:8px;color:var(--accent-primary)}.prompt-examples{display:flex;flex-direction:column;gap:8px}.example-btn{background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:8px;color:var(--text-primary);padding:12px;font-size:13px;text-align:left;cursor:pointer;transition:all .2s}.example-btn:hover{background:var(--bg-secondary);border-color:var(--accent-primary);transform:translate(4px)}.config-options{display:flex;flex-direction:column;gap:12px}.config-options label{display:flex;align-items:center;gap:10px;color:var(--text-primary);font-size:14px;cursor:pointer}.config-options input[type=checkbox]{width:18px;height:18px;cursor:pointer;accent-color:var(--accent-primary)}body{background-color:var(--bg-primary);color:var(--text-primary)}@media(max-width:1024px){.viral-ai{grid-template-columns:1fr;height:auto}.chat-container{height:600px}.ai-sidebar{order:-1}}@media(max-width:640px){.chat-messages{padding:16px}.message-content{max-width:85%}.chat-input-form,.sidebar-section{padding:16px}}.mvs-container{min-height:100vh;padding-bottom:2rem}.mvs-hero{background:linear-gradient(135deg,var(--accent-primary) 0%,var(--accent-secondary) 100%);padding:4rem 2rem;margin-bottom:3rem;border-radius:0 0 2rem 2rem}.mvs-hero-content{max-width:1200px;margin:0 auto;color:#fff;text-align:center}.mvs-hero h1{font-size:3rem;font-weight:700;margin-bottom:1rem;text-shadow:0 2px 10px rgba(0,0,0,.2)}.mvs-hero p{font-size:1.25rem;opacity:.95;margin-bottom:2rem}.mvs-stats{display:flex;justify-content:center;gap:3rem;flex-wrap:wrap}.stat-item{display:flex;align-items:center;gap:.5rem;font-size:1.1rem;font-weight:500}.stat-item svg{font-size:1.5rem}.mvs-content{max-width:1400px;margin:0 auto;padding:0 2rem}.mvs-content h2{font-size:2rem;margin-bottom:2rem;color:var(--text-primary)}.modules-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:2rem;margin-bottom:3rem}.module-card{background:var(--card-bg);border-radius:1rem;overflow:hidden;box-shadow:0 4px 6px var(--shadow);transition:all .3s ease;cursor:pointer}.module-card:hover{transform:translateY(-5px);box-shadow:0 10px 20px var(--shadow-hover)}.module-thumbnail{position:relative;height:200px;overflow:hidden}.module-thumbnail img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.module-card:hover .module-thumbnail img{transform:scale(1.05)}.module-overlay{position:absolute;inset:0;background:linear-gradient(to bottom,#0003,#0009);display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s ease}.module-card:hover .module-overlay{opacity:1}.play-icon{font-size:3rem;color:#fff;filter:drop-shadow(0 2px 4px rgba(0,0,0,.3))}.module-progress-badge{position:absolute;top:1rem;right:1rem;background:var(--accent-primary);color:#fff;padding:.5rem 1rem;border-radius:2rem;font-weight:600;font-size:.9rem;box-shadow:0 2px 10px #0000004d}.module-info{padding:1.5rem}.module-info h3{font-size:1.3rem;margin-bottom:.5rem;color:var(--text-primary)}.module-info p{color:var(--text-secondary);margin-bottom:1rem;font-size:.95rem;line-height:1.5}.module-meta{display:flex;flex-direction:column;gap:.5rem}.module-meta span{font-size:.9rem;color:var(--text-tertiary);font-weight:500}.progress-bar{width:100%;height:6px;background:var(--bg-tertiary);border-radius:3px;overflow:hidden}.progress-fill{height:100%;background:var(--accent-primary);transition:width .3s ease}.lessons-list{border-top:1px solid var(--border-color);padding:1rem;animation:slideDown .3s ease}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.lesson-item{display:flex;align-items:center;gap:1rem;padding:1rem;border-radius:.5rem;transition:all .2s ease;cursor:pointer}.lesson-item:hover:not(.locked){background:var(--bg-secondary)}.lesson-item.completed{opacity:.7}.lesson-item.locked{opacity:.5;cursor:not-allowed}.lesson-number{width:32px;height:32px;border-radius:50%;background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.9rem;color:var(--text-primary);flex-shrink:0}.lesson-item.completed .lesson-number{background:var(--success);color:#fff}.lesson-details{flex:1;display:flex;flex-direction:column;gap:.25rem}.lesson-title{font-weight:500;color:var(--text-primary)}.lesson-duration{font-size:.85rem;color:var(--text-tertiary)}.lesson-status{font-size:1.2rem;color:var(--text-tertiary)}.lesson-status .completed-icon{color:var(--success)}.lesson-status .play-icon-small{color:var(--accent-primary)}.mvs-info{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-top:3rem}.info-card{background:var(--card-bg);padding:2rem;border-radius:1rem;box-shadow:0 4px 6px var(--shadow)}.info-card h3{font-size:1.5rem;margin-bottom:1.5rem;color:var(--text-primary)}.info-card ul{list-style:none;padding:0}.info-card li{padding:.75rem 0;border-bottom:1px solid var(--border-color);color:var(--text-secondary);line-height:1.6}.info-card li:last-child{border-bottom:none}.info-card li:before{content:"✓ ";color:var(--success);font-weight:700;margin-right:.5rem}@media(max-width:768px){.mvs-hero{padding:3rem 1.5rem}.mvs-hero h1{font-size:2rem}.mvs-hero p{font-size:1rem}.mvs-stats{gap:1.5rem}.modules-grid{grid-template-columns:1fr;gap:1.5rem}.mvs-content{padding:0 1rem}.mvs-info{grid-template-columns:1fr}}@media(max-width:480px){.mvs-hero h1{font-size:1.75rem}.mvs-stats{flex-direction:column;gap:1rem}.lesson-item{padding:.75rem}.lesson-number{width:28px;height:28px;font-size:.8rem}}