:root{--primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--accent: #667eea;--background: #0a0a0a;--glass-bg: rgba(255, 255, 255, .05);--glass-border: rgba(255, 255, 255, .1);--text-primary: #ffffff;--text-secondary: #b4b4b4;--text-muted: #666666;--neon-blue: #00d4ff;--success: #4ade80;--error: #f87171;--warning: #fbbf24;--vh: 1vh}.app{display:flex;flex-direction:column;min-height:100vh;min-height:calc(var(--vh, 1vh) * 100)}.home-container{padding:60px 20px;animation:fadeInUp 1s ease-out}@keyframes fadeInUp{0%{transform:translateY(50px);opacity:0}to{transform:translateY(0);opacity:1}}.hero{text-align:center;margin-bottom:80px;position:relative}.hero:before{content:"";position:absolute;top:-50%;left:50%;transform:translate(-50%);width:200px;height:200px;background:radial-gradient(circle,rgba(102,126,234,.3) 0%,transparent 70%);border-radius:50%;filter:blur(40px);z-index:-1}.hero h1{font-size:clamp(2.5rem,5vw,4rem);font-weight:900;margin-bottom:20px;background:linear-gradient(135deg,#ffffff 0%,#b4b4b4 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1.2;animation:textGlow 3s ease-in-out infinite alternate}@keyframes textGlow{0%{filter:drop-shadow(0 0 10px rgba(255,255,255,.3))}to{filter:drop-shadow(0 0 30px rgba(255,255,255,.6))}}.hero p{font-size:1.3rem;color:var(--text-secondary);max-width:600px;margin:0 auto;font-weight:400}.session-options{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-bottom:80px}.create-session{animation:fadeInUp 1s ease-out .2s both}.join-session{animation:fadeInUp 1s ease-out .4s both}@media (max-width: 768px){.session-options{grid-template-columns:1fr;gap:30px}}.card h2{font-size:1.8rem;font-weight:700;margin-bottom:15px;background:var(--secondary);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;transition:all .3s ease}.card:hover h2{transform:scale(1.05)}.card p{color:var(--text-secondary);margin-bottom:30px;font-size:1.1rem}.recent-sessions{margin-top:80px;background:var(--glass-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:20px;padding:40px;border:1px solid var(--glass-border);animation:fadeInUp 1s ease-out .7s both}.recent-sessions h2{font-size:2rem;margin-bottom:30px;color:var(--text-primary);font-weight:700}.sessions-list{overflow-x:auto}.session-actions{display:flex;gap:10px}.btn-join,.btn-delete{padding:8px 16px;font-size:14px;border-radius:8px;font-weight:500;border:none;cursor:pointer;transition:all .3s ease}.btn-join{background:var(--accent);color:#fff}.btn-join:hover{transform:translateY(-2px);box-shadow:0 8px 25px #4facfe66}.btn-delete{background:var(--danger);color:#fff}.btn-delete:hover{transform:translateY(-2px);box-shadow:0 8px 25px #ef444466}.features{margin-top:100px;animation:fadeInUp 1s ease-out .5s both}.features h2{text-align:center;font-size:2.5rem;margin-bottom:60px;background:var(--accent);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;font-weight:800;position:relative}.features h2:after{content:"";position:absolute;bottom:-15px;left:50%;transform:translate(-50%);width:80px;height:4px;background:var(--accent);border-radius:2px}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px}.feature{background:var(--glass-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);padding:35px;border-radius:20px;text-align:center;border:1px solid var(--glass-border);transition:all .4s ease;position:relative;overflow:hidden}.feature:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:conic-gradient(from 0deg,transparent,rgba(102,126,234,.1),transparent);animation:rotate 20s linear infinite;opacity:0;transition:opacity .3s ease}.feature:hover:before{opacity:1}@keyframes rotate{to{transform:rotate(360deg)}}.feature:hover{transform:translateY(-10px);box-shadow:0 20px 40px #0003;border-color:#667eea4d}.feature-icon{font-size:3rem;margin-bottom:20px;display:block;animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.feature h3{font-size:1.4rem;margin-bottom:15px;color:var(--text-primary);font-weight:700;position:relative;z-index:1}.feature p{color:var(--text-secondary);line-height:1.6;position:relative;z-index:1}.session-container{padding:30px 20px;animation:fadeInUp .8s ease-out}.connection-banner{background:var(--glass-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:12px;padding:15px 20px;margin-bottom:20px;display:flex;justify-content:space-between;align-items:center}.connection-status{display:flex;align-items:center;gap:10px;color:var(--text-secondary);font-weight:500}.status-indicator{width:8px;height:8px;border-radius:50%;background:var(--neon-blue);animation:pulse 2s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.connection-error{color:var(--neon-pink);font-size:14px}.session-info h2{font-size:1.8rem;font-weight:700;background:var(--primary);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:8px}.session-meta{display:flex;align-items:center;gap:10px;color:var(--text-secondary);font-size:14px}.connection-dot{width:6px;height:6px;border-radius:50%;background:var(--text-muted)}.connection-dot.connected{background:var(--neon-green);animation:pulse 2s infinite}.session-actions{display:flex;gap:10px;align-items:center}.video-form-container{background:var(--glass-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:12px;padding:20px;margin-bottom:20px;border:1px solid var(--glass-border)}.video-form{display:flex;gap:15px;align-items:flex-end}.video-form .form-group{flex:1;margin-bottom:0}.modern-input{width:100%;padding:12px 16px;border:1px solid var(--glass-border);border-radius:12px;background:var(--glass-bg);color:var(--text-primary);font-size:14px;transition:all .3s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.modern-input:focus{outline:none;border-color:var(--neon-blue);box-shadow:0 0 0 3px #00d4ff1a,0 0 20px #00d4ff33;transform:translateY(-1px);background:rgba(255,255,255,.1)}.modern-input::placeholder{color:var(--text-muted)}.video-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:var(--text-secondary);background:var(--bg-secondary);border-radius:16px}.loading-spinner{width:40px;height:40px;border:3px solid var(--glass-border);border-top:3px solid var(--neon-blue);border-radius:50%;animation:spin 1s linear infinite;margin-bottom:15px}.video-player{position:relative;width:100%;height:100%;border-radius:16px;overflow:hidden}.no-video{display:flex;align-items:center;justify-content:center;height:100%;background:var(--bg-secondary);border-radius:16px;border:2px dashed var(--glass-border)}.no-video-content{text-align:center;color:var(--text-secondary)}.no-video-icon{font-size:4rem;margin-bottom:20px;animation:float 3s ease-in-out infinite}.no-video-content h3{font-size:1.5rem;margin-bottom:10px;color:var(--text-primary)}.youtube-container,.html5-container{position:relative;width:100%;height:100%;border-radius:16px;overflow:hidden}.video-loading-overlay,.video-error-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.8);display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;z-index:10;border-radius:16px}.error-icon{font-size:3rem;margin-bottom:15px}.youtube-player,.html5-player{width:100%;height:100%;border-radius:16px}.toast-notification{position:fixed;top:20px;right:20px;background:var(--glass-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:12px;padding:15px 20px;color:var(--text-primary);font-weight:500;z-index:1000;transform:translate(100%);opacity:0;transition:all .3s ease}.toast-notification.show{transform:translate(0);opacity:1}.session-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:40px;padding:25px;background:var(--glass-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:16px;border:1px solid var(--glass-border)}.session-header h2{font-size:1.8rem;font-weight:700;background:var(--primary);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.video-section{margin-bottom:40px}.video-form{display:flex;gap:15px;margin-bottom:20px}.video-container{position:relative;background:#000;border-radius:16px;overflow:hidden;aspect-ratio:16 / 9;box-shadow:0 20px 40px #0000004d}.video-controls{position:absolute;bottom:0;left:0;width:100%;padding:20px;background:linear-gradient(to top,rgba(0,0,0,.8) 0%,transparent 100%);display:flex;justify-content:space-between;align-items:center;opacity:0;transition:opacity .3s ease;z-index:5}.video-container:hover .video-controls{opacity:1}.progress-container{position:absolute;bottom:70px;left:0;width:100%;padding:0 20px;z-index:6}.progress-bar{width:100%;height:5px;background:rgba(255,255,255,.2);border-radius:5px;cursor:pointer;position:relative}.progress-fill{position:absolute;top:0;left:0;height:100%;background:var(--accent);border-radius:5px;width:30%}.progress-handle{position:absolute;top:50%;transform:translate(-50%,-50%);width:15px;height:15px;background:white;border-radius:50%;left:30%;box-shadow:0 0 10px #00000080;opacity:0;transition:opacity .3s ease}.progress-bar:hover .progress-handle{opacity:1}.video-controls-left,.video-controls-right{display:flex;gap:15px;align-items:center}.video-control-button{background:transparent;color:#fff;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;padding:0;transition:all .2s ease;border:none;cursor:pointer}.video-control-button:hover{background:rgba(255,255,255,.2)}.video-time{color:#fff;font-size:.9rem;font-weight:500}.volume-container{display:flex;align-items:center;gap:10px}.volume-slider{width:80px;height:5px;background:rgba(255,255,255,.2);border-radius:5px;position:relative;cursor:pointer}.volume-fill{position:absolute;top:0;left:0;height:100%;background:white;border-radius:5px;width:70%}.interaction-section{display:grid;grid-template-columns:350px 1fr;gap:30px}.users-panel,.chat-panel{background:var(--glass-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:16px;border:1px solid var(--glass-border);overflow:hidden}.users-panel{padding:25px}.user-list h3,.emoji-reactions h3,.chat-header h3{font-size:1.2rem;font-weight:700;margin-bottom:20px;color:var(--text-primary)}.user-avatar{width:35px;height:35px;border-radius:50%;background:var(--primary);display:flex;align-items:center;justify-content:center;margin-right:12px;font-weight:600;color:#fff}.emoji-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.emoji-button{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:12px;font-size:1.5rem;transition:all .3s ease;cursor:pointer}.emoji-button:hover{transform:scale(1.2);background:rgba(255,255,255,.1);box-shadow:0 8px 25px #667eea33}.chat-container{display:flex;flex-direction:column;height:500px;border-radius:16px;box-shadow:0 10px 30px #0003;overflow:hidden}.chat-header{padding:20px 25px;border-bottom:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;align-items:center;background:rgba(255,255,255,.03)}.chat-header-actions{display:flex;gap:10px}.chat-header-button{background:rgba(255,255,255,.1);border-radius:50%;width:36px;height:36px;display:flex;align-items:center;justify-content:center;transition:all .2s ease;border:none;cursor:pointer;color:var(--text-secondary)}.chat-header-button:hover{background:rgba(255,255,255,.2);transform:translateY(-2px);color:var(--text-primary)}.messages-container{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:15px;background:rgba(0,0,0,.2)}.message{background:rgba(255,255,255,.05);padding:15px;border-radius:16px;max-width:80%;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1);position:relative;animation:messageAppear .3s ease-out}@keyframes messageAppear{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.message-info{display:flex;justify-content:space-between;margin-bottom:8px;font-size:.85rem;color:var(--text-muted)}.message-sender{font-weight:600;color:var(--neon-blue)}.message-time{font-size:.75rem}.message-content{line-height:1.5}.own-message{background:var(--primary);align-self:flex-end;color:#fff}.own-message .message-sender{color:#ffffffe6}.message-action-button{background:transparent;color:var(--text-primary);padding:3px;font-size:12px;border-radius:4px;width:auto;border:none;cursor:pointer}.message-action-button:hover{background:rgba(255,255,255,.1)}.message-form{display:flex;padding:15px 20px;border-top:1px solid rgba(255,255,255,.1);gap:12px;background:rgba(255,255,255,.03);align-items:center}.message-input{flex:1;border-radius:30px;padding:12px 20px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);color:var(--text-primary);font-size:14px}.message-input:focus{outline:none;border-color:var(--neon-blue);box-shadow:0 0 0 3px #00d4ff1a}.message-actions-buttons{display:flex;gap:10px}.message-action{background:transparent;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;padding:0;color:var(--text-secondary);font-size:18px;transition:all .2s ease;border:none;cursor:pointer}.message-action:hover{background:rgba(255,255,255,.1);color:var(--neon-blue)}.send-button{background:var(--accent);color:#fff;padding:12px;border-radius:50%;width:45px;height:45px;display:flex;align-items:center;justify-content:center}.video-controls-overlay{position:absolute;top:15px;right:15px;z-index:100;display:flex;gap:10px}.speed-control{position:relative}.speed-control-button{background:rgba(0,0,0,.7);color:#fff;border:1px solid rgba(255,255,255,.2);border-radius:20px;padding:8px 12px;font-size:12px;font-weight:600;cursor:pointer;transition:all .2s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;align-items:center;gap:4px;min-width:60px;justify-content:center}.speed-control-button:hover{background:rgba(0,0,0,.8);border-color:#fff6;transform:translateY(-1px)}.speed-dropdown{position:absolute;top:100%;right:0;margin-top:5px;background:rgba(0,0,0,.9);border-radius:12px;padding:8px;border:1px solid rgba(255,255,255,.1);-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);box-shadow:0 8px 32px #0000004d;animation:speedDropdownAppear .2s ease-out;min-width:120px}@keyframes speedDropdownAppear{0%{opacity:0;transform:scale(.95) translateY(-5px)}to{opacity:1;transform:scale(1) translateY(0)}}.speed-option{background:transparent;border:none;color:#fff;padding:8px 12px;font-size:13px;cursor:pointer;transition:all .15s ease;border-radius:8px;width:100%;text-align:left;display:flex;align-items:center;justify-content:space-between}.speed-option:hover{background:rgba(255,255,255,.1)}.speed-option.active{background:var(--primary);color:#fff;font-weight:600}.speed-option.active:after{content:"✓";font-weight:700;margin-left:8px}.message-reactions{display:flex;flex-wrap:wrap;gap:5px;margin-top:8px;margin-bottom:5px}.reaction-badge{display:flex;align-items:center;gap:4px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:12px;padding:4px 8px;font-size:12px;cursor:pointer;transition:all .2s ease;color:var(--text-primary);border:none}.reaction-badge:hover{background:rgba(255,255,255,.2);transform:scale(1.05)}.reaction-badge.reacted{background:var(--primary);border-color:var(--primary);color:#fff}.reaction-emoji{font-size:14px}.reaction-count{font-weight:600;font-size:11px}.message-actions{position:absolute;right:10px;bottom:-20px;display:flex;gap:5px;opacity:0;transition:all .2s ease;background:rgba(0,0,0,.5);border-radius:20px;padding:5px}.message:hover .message-actions{opacity:1;bottom:-15px}.reaction-button{background:transparent;color:var(--text-secondary);padding:5px;font-size:16px;border-radius:50%;width:30px;height:30px;display:flex;align-items:center;justify-content:center;border:none;cursor:pointer;transition:all .2s ease}.reaction-button:hover{background:rgba(255,255,255,.1);color:var(--neon-blue);transform:scale(1.1)}.reaction-picker{position:absolute;bottom:40px;right:0;background:rgba(0,0,0,.9);border-radius:12px;padding:8px;display:grid;grid-template-columns:repeat(5,1fr);gap:4px;z-index:1000;border:1px solid rgba(255,255,255,.1);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);animation:reactionPickerAppear .2s ease-out}@keyframes reactionPickerAppear{0%{opacity:0;transform:scale(.8) translateY(10px)}to{opacity:1;transform:scale(1) translateY(0)}}.reaction-option{background:transparent;border:none;font-size:20px;padding:8px;border-radius:8px;cursor:pointer;transition:all .2s ease;color:var(--text-primary);display:flex;align-items:center;justify-content:center}.reaction-option:hover{background:rgba(255,255,255,.1);transform:scale(1.2)}.send-button:hover{transform:translateY(-2px);box-shadow:0 8px 25px #4facfe66}.reactions-container{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;overflow:hidden;z-index:10}.floating-emoji{position:absolute;bottom:0;font-size:2.5rem;animation:floatUp 3s ease-out forwards;opacity:.9;filter:drop-shadow(0 0 10px rgba(255,255,255,.5))}@keyframes floatUp{0%{transform:translateY(0) scale(1);opacity:.9}50%{transform:translateY(-50px) scale(1.2);opacity:1}to{transform:translateY(-120px) scale(.8);opacity:0}}.emoji-counter{position:absolute;bottom:20px;right:20px;background:rgba(0,0,0,.6);border-radius:30px;padding:10px 15px;display:flex;gap:15px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1);z-index:5}.emoji-count{display:flex;align-items:center;gap:5px;font-size:.9rem;color:var(--text-primary);transition:all .2s ease}.emoji-count:hover{transform:scale(1.2)}.emoji-count span{font-weight:600}.name-prompt-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.8);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;justify-content:center;align-items:center;z-index:1000;animation:fadeIn .3s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.name-prompt-modal{background:var(--glass-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:20px;padding:40px;width:90%;max-width:500px;border:1px solid var(--glass-border);box-shadow:0 20px 40px #0000004d;animation:slideUp .4s ease-out}@keyframes slideUp{0%{transform:translateY(50px);opacity:0}to{transform:translateY(0);opacity:1}}.name-prompt-buttons{display:flex;gap:15px}.name-prompt-buttons button{flex:1}.not-found{text-align:center;padding:100px 20px;animation:fadeInUp 1s ease-out}.not-found h1{font-size:4rem;font-weight:900;margin-bottom:20px;background:var(--danger);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.not-found p{font-size:1.3rem;color:var(--text-secondary);margin-bottom:40px}@media (max-width: 768px){.container{padding:0 15px}.home-container{padding:40px 15px}.hero{margin-bottom:50px}.hero h1{font-size:2.5rem;line-height:1.1}.hero p{font-size:1.1rem}.session-options{grid-template-columns:1fr;gap:25px;margin-bottom:50px}.create-session,.join-session{padding:25px}.form-group{margin-bottom:20px}.form-group input{padding:15px;font-size:16px}.btn{padding:15px 25px;font-size:16px;min-height:50px}.session-container{padding:15px}.session-header{flex-direction:column;align-items:flex-start;gap:15px;padding:20px 15px}.session-actions{flex-wrap:wrap;gap:10px}.session-actions .btn{flex:1;min-width:120px}.video-section{margin-bottom:25px}.video-form{flex-direction:column;width:100%;gap:15px}.video-form .form-group{margin-bottom:0}.video-form input{width:100%;padding:15px;font-size:16px}.video-form .btn{width:100%;padding:15px}.video-controls-overlay{top:10px;right:10px}.speed-control-button{padding:10px 15px;font-size:11px;min-width:55px}.speed-dropdown{min-width:110px;right:-10px}.interaction-section{grid-template-columns:1fr;gap:20px}.users-panel{order:2}.chat-panel{order:1}.chat-container{height:350px}.messages-container{padding:15px;gap:12px}.message{max-width:95%;padding:12px}.message-form{padding:15px;gap:10px}.message-input{padding:12px 15px;font-size:16px}.send-button{width:50px;height:50px;min-width:50px}.emoji-grid{grid-template-columns:repeat(6,1fr);gap:8px}.emoji-button{width:45px;height:45px;font-size:20px}.message-reactions{gap:4px;margin-top:6px}.reaction-badge{padding:3px 6px;font-size:11px}.reaction-emoji{font-size:12px}.reaction-count{font-size:10px}.reaction-picker{grid-template-columns:repeat(5,1fr);gap:3px;padding:6px}.reaction-option{font-size:18px;padding:6px}.users-list{max-height:200px}.user-item{padding:10px 15px}.sessions-table{font-size:13px}.sessions-table th,.sessions-table td{padding:10px 6px}.session-actions{flex-direction:column;gap:5px}.session-actions .btn-small{padding:8px 12px;font-size:12px}.feature-grid{grid-template-columns:1fr;gap:30px}.feature{padding:25px}.footer{padding:30px 0 15px}.footer-content{grid-template-columns:1fr;gap:30px}.connection-banner{padding:15px}.name-prompt-modal{margin:20px;padding:25px 20px}.name-prompt-buttons{flex-direction:column;gap:10px}.name-prompt-buttons .btn{width:100%}.toast-notification{left:15px;right:15px;bottom:20px;border-radius:12px}.theme-panel{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);right:auto;margin-top:0;min-width:300px;max-width:90vw;max-height:80vh;overflow-y:auto}.theme-presets{grid-template-columns:1fr;gap:10px}.theme-preset{padding:15px}.preset-colors{grid-template-columns:repeat(4,1fr);gap:10px}.color-option{width:35px;height:35px}.session-theme-panel{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);right:auto;margin-top:0;min-width:300px;max-width:90vw;max-height:80vh;overflow-y:auto}.session-theme-grid{grid-template-columns:1fr;gap:10px}.session-theme-option{padding:15px}}.footer{background:var(--glass-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-top:1px solid var(--glass-border);padding:40px 0 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#ef44444d;animation:slideIn .3s ease}@keyframes slideIn{0%{transform:translate(-100%);opacity:0}to{transform:translate(0);opacity:1}}.loading{display:flex;align-items:center;justify-content:center;padding:40px;color:var(--text-muted)}.loading:after{content:"";width:20px;height:20px;border:2px solid var(--glass-border);border-top:2px solid var(--neon-blue);border-radius:50%;animation:spin 1s linear infinite;margin-left:10px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInLeft{0%{opacity:0;transform:translate(-30px)}to{opacity:1;transform:translate(0)}}@keyframes fadeInRight{0%{opacity:0;transform:translate(30px)}to{opacity:1;transform:translate(0)}}.scroll-animate{opacity:0;transform:translateY(30px);transition:all .6s ease}.scroll-animate.animate{opacity:1;transform:translateY(0)}@media (max-width: 768px){.header-content{flex-direction:column;gap:15px}nav ul{gap:20px}.card{padding:20px}.sessions-table{font-size:14px}.sessions-table th,.sessions-table td{padding:12px}}@media (max-width: 480px){.container{padding:0 15px}.card{padding:15px}.btn{padding:10px 20px;font-size:13px}}