.home{min-height:100vh;display:flex;flex-direction:column}.home-header{text-align:center;padding:3rem 1rem 2rem;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.logo{font-size:3rem;font-weight:800;margin-bottom:.5rem}.tagline{font-size:1.25rem;opacity:.9}.hero{flex:1;max-width:1200px;margin:0 auto;padding:4rem 2rem;width:100%}.hero-content{text-align:center;margin-bottom:4rem}.hero-content h2{font-size:2.5rem;margin-bottom:1rem;color:var(--text-primary)}.hero-content p{font-size:1.25rem;color:var(--text-secondary);max-width:600px;margin:0 auto 2rem}.cta-buttons{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.cta-buttons .btn{min-width:180px}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;margin-top:4rem}.feature-card{background:var(--card-bg);padding:2rem;border-radius:1rem;text-align:center;box-shadow:var(--shadow);transition:transform .2s}.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}.feature-icon{font-size:.875rem;font-weight:700;letter-spacing:1.5px;color:var(--primary-color);background:#eff6ff;padding:.75rem 1.25rem;border-radius:.5rem;margin-bottom:1rem;display:inline-block}.feature-card h3{font-size:1.5rem;margin-bottom:.5rem;color:var(--text-primary)}.feature-card p{color:var(--text-secondary)}.home-footer{text-align:center;padding:2rem;background-color:var(--text-primary);color:#fff;margin-top:auto}@media (max-width: 768px){.logo{font-size:2rem}.hero-content h2{font-size:1.75rem}.hero-content p{font-size:1rem}}.create-debate{min-height:100vh;padding:2rem;background-color:var(--bg-color)}.create-container{max-width:600px;margin:0 auto}.create-header{margin-bottom:2rem}.create-header h1{font-size:2.5rem;margin-top:1rem;color:var(--text-primary)}.debate-form{background:var(--card-bg);padding:2rem;border-radius:1rem;box-shadow:var(--shadow-lg)}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:600;color:var(--text-primary)}.form-group input,.form-group textarea,.form-group select{width:100%;padding:.75rem;border:2px solid var(--border-color);border-radius:.5rem;font-size:1rem;font-family:inherit;transition:border-color .2s}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--primary-color)}.form-group textarea{resize:vertical}.char-count{text-align:right;font-size:.875rem;color:var(--text-secondary);margin-top:.25rem}.radio-group{display:flex;gap:1rem}.radio-label{display:flex;align-items:center;cursor:pointer;padding:.75rem 1.5rem;border:2px solid var(--border-color);border-radius:.5rem;transition:all .2s;flex:1}.radio-label:hover{border-color:var(--primary-color);background-color:#eff6ff}.radio-label input[type=radio]{margin-right:.5rem;width:auto}.radio-label input[type=radio]:checked+span{font-weight:600}.error-message{background-color:#fee;color:var(--danger-color);padding:1rem;border-radius:.5rem;margin-bottom:1rem;border-left:4px solid var(--danger-color)}@media (max-width: 768px){.create-debate{padding:1rem}.create-header h1{font-size:1.75rem}.debate-form{padding:1.5rem}.radio-group{flex-direction:column}}.browse-debates{min-height:100vh;padding:2rem;background-color:var(--bg-color)}.browse-header{max-width:1200px;margin:0 auto 2rem}.browse-header h1{font-size:2.5rem;margin-top:1rem;color:var(--text-primary)}.subtitle{color:var(--text-secondary);font-size:1.125rem;margin-top:.5rem}.filters{max-width:1200px;margin:0 auto 2rem;display:flex;gap:1rem;flex-wrap:wrap;background:var(--card-bg);padding:1.5rem;border-radius:.5rem;box-shadow:var(--shadow)}.filter-group{display:flex;align-items:center;gap:.5rem}.filter-group label{font-weight:600;color:var(--text-primary)}.filter-group select{padding:.5rem 1rem;border:2px solid var(--border-color);border-radius:.5rem;font-size:1rem;cursor:pointer;transition:border-color .2s}.filter-group select:focus{outline:none;border-color:var(--primary-color)}.clear-filters-btn{padding:.5rem 1rem;background-color:var(--secondary-color);color:#fff;border:none;border-radius:.5rem;cursor:pointer;font-size:.875rem;transition:background-color .2s}.clear-filters-btn:hover{background-color:#475569}.debates-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.5rem}.debate-card{background:var(--card-bg);border-radius:1rem;padding:1.5rem;box-shadow:var(--shadow);transition:all .2s;display:flex;flex-direction:column}.debate-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.debate-header{margin-bottom:1rem}.debate-topic{font-size:1.25rem;font-weight:700;color:var(--text-primary);line-height:1.4;margin-bottom:1rem}.debate-meta{display:flex;gap:.5rem;margin-bottom:1rem}.debate-stats{display:flex;flex-direction:column;gap:.5rem;margin-bottom:1rem;padding:1rem 0;border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color)}.stat{display:flex;align-items:center;justify-content:space-between;color:var(--text-secondary);font-size:.875rem}.stat-label{font-weight:500;color:var(--text-secondary)}.stat-value{font-weight:600;color:var(--text-primary)}.no-debates{max-width:600px;margin:4rem auto;text-align:center;padding:3rem;background:var(--card-bg);border-radius:1rem;box-shadow:var(--shadow)}.no-debates h2{font-size:2rem;margin-bottom:1rem;color:var(--text-primary)}.no-debates p{color:var(--text-secondary);font-size:1.125rem;margin-bottom:2rem}@media (max-width: 768px){.browse-debates{padding:1rem}.browse-header h1{font-size:1.75rem}.filters{flex-direction:column}.filter-group{width:100%;flex-direction:column;align-items:flex-start}.filter-group select{width:100%}.debates-grid{grid-template-columns:1fr}}.debate-room{min-height:100vh;display:flex;flex-direction:column;background-color:var(--bg-color)}.room-header{background:var(--card-bg);padding:1.5rem 2rem;box-shadow:var(--shadow);display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap}.room-info h2{font-size:1.5rem;color:var(--text-primary);margin-bottom:.5rem}.room-meta{display:flex;gap:.75rem;align-items:center;flex-wrap:wrap}.viewer-count{color:var(--text-secondary);font-weight:600}.room-actions{display:flex;gap:.75rem;flex-wrap:wrap}.room-content{flex:1;display:flex;gap:1.5rem;padding:1.5rem}.video-section{flex:1;display:flex;flex-direction:column;gap:1rem}.video-grid{position:relative;background:#1a1a1a;border-radius:1rem;overflow:hidden;min-height:500px;flex:1;box-shadow:var(--shadow-lg)}.video-slot{background:var(--card-bg);border-radius:1rem;overflow:hidden;box-shadow:var(--shadow-lg);min-height:300px;display:flex;align-items:center;justify-content:center}.video-placeholder{text-align:center;padding:2rem;color:var(--text-secondary)}.video-placeholder p{margin-bottom:.5rem}.video-placeholder .video-info{font-size:.875rem;opacity:.7}.debater-controls{display:flex;justify-content:center;gap:1rem;padding:1rem;background:var(--card-bg);border-radius:.5rem;box-shadow:var(--shadow)}.control-btn{padding:.75rem 1.5rem;border:2px solid var(--border-color);background:#fff;border-radius:.5rem;cursor:pointer;font-size:1rem;font-weight:600;transition:all .2s}.control-btn:hover{border-color:var(--primary-color);background-color:#eff6ff}.control-btn.muted,.control-btn.camera-off{background-color:var(--danger-color);color:#fff;border-color:var(--danger-color)}.status-badge{padding:.25rem .75rem;border-radius:9999px;font-size:.75rem;font-weight:700}.status-badge.live{background-color:#dc2626;color:#fff;animation:pulse 2s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}.connecting-overlay{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#000c;color:#fff;z-index:10}.spinner{width:50px;height:50px;border:4px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:1rem}@keyframes spin{to{transform:rotate(360deg)}}.viewer-notice{text-align:center;padding:1rem;background:var(--card-bg);border-radius:.5rem;box-shadow:var(--shadow)}.viewer-notice p{color:var(--text-secondary);font-weight:600}.no-participants,.no-messages{text-align:center;color:var(--text-secondary);font-size:.875rem;padding:1rem}.chat-message-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.25rem}.chat-time{font-size:.75rem;color:var(--text-secondary)}.chat-message-text{padding-left:.5rem;color:var(--text-primary)}.error-screen{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem;text-align:center}.error-screen h2{font-size:2rem;margin-bottom:1rem;color:var(--danger-color)}.error-screen p{margin-bottom:2rem;color:var(--text-secondary);font-size:1.125rem}.sidebar{width:320px;display:flex;flex-direction:column;gap:1rem}.viewers-panel,.chat-panel{background:var(--card-bg);border-radius:1rem;padding:1.5rem;box-shadow:var(--shadow)}.viewers-panel h3,.chat-panel h3{font-size:1.125rem;margin-bottom:1rem;color:var(--text-primary)}.viewers-list{max-height:200px;overflow-y:auto}.viewer-item{display:flex;align-items:center;justify-content:space-between;padding:.75rem 0;border-bottom:1px solid var(--border-color)}.viewer-item:last-child{border-bottom:none}.viewer-name{font-size:.875rem;font-weight:500;color:var(--text-primary)}.participant-status{display:flex;gap:.5rem}.status-indicator{font-size:.75rem;padding:.25rem .5rem;border-radius:.25rem;font-weight:600}.status-indicator.muted{background:#fee;color:#b91c1c}.status-indicator.no-video{background:#fef3c7;color:#92400e}.chat-panel{flex:1;display:flex;flex-direction:column}.chat-messages{flex:1;max-height:400px;overflow-y:auto;margin-bottom:1rem;padding:.5rem;background-color:var(--bg-color);border-radius:.5rem}.chat-message{margin-bottom:.75rem;font-size:.875rem;line-height:1.5}.chat-message strong{color:var(--primary-color);margin-right:.5rem}.chat-input-form{display:flex;gap:.5rem}.chat-input{flex:1;padding:.5rem;border:2px solid var(--border-color);border-radius:.5rem;font-size:.875rem}.chat-input:focus{outline:none;border-color:var(--primary-color)}@media (max-width: 1024px){.room-content{flex-direction:column}.sidebar{width:100%}.video-grid{grid-template-columns:1fr}}@media (max-width: 768px){.room-header{flex-direction:column;align-items:flex-start;padding:1rem}.room-actions{width:100%;flex-wrap:nowrap}.room-actions .btn{flex:1;font-size:.875rem;padding:.625rem .75rem}.debater-controls{flex-direction:column}.control-btn{width:100%}.video-grid{min-height:400px}.room-content,.viewers-panel,.chat-panel{padding:1rem}}:root{--primary-color: #2563eb;--secondary-color: #64748b;--danger-color: #dc2626;--success-color: #16a34a;--bg-color: #f8fafc;--card-bg: #ffffff;--text-primary: #0f172a;--text-secondary: #64748b;--border-color: #e2e8f0;--shadow: 0 1px 3px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--bg-color);color:var(--text-primary);line-height:1.6}.app{min-height:100vh}.btn{padding:.75rem 1.5rem;border:none;border-radius:.5rem;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s;text-decoration:none;display:inline-block}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover:not(:disabled){background-color:#1d4ed8;transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-secondary{background-color:var(--secondary-color);color:#fff}.btn-secondary:hover:not(:disabled){background-color:#475569;transform:translateY(-2px)}.btn-danger{background-color:var(--danger-color);color:#fff}.btn-danger:hover:not(:disabled){background-color:#b91c1c}.btn-large{padding:1rem 2rem;font-size:1.125rem}.btn-sm{padding:.5rem 1rem;font-size:.875rem}.btn-block{width:100%}.back-btn{background:none;border:none;color:var(--primary-color);font-size:1rem;cursor:pointer;padding:.5rem;transition:color .2s}.back-btn:hover{color:#1d4ed8}.badge{display:inline-block;padding:.25rem .75rem;border-radius:9999px;font-size:.875rem;font-weight:600}.category-badge{background-color:#dbeafe;color:#1e40af}.age-badge{background-color:#fef3c7;color:#92400e}.loading{display:flex;justify-content:center;align-items:center;min-height:100vh;font-size:1.5rem;color:var(--text-secondary)}