*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-bg: #0a0a0f;--color-surface: rgba(255, 255, 255, .05);--color-surface-hover: rgba(255, 255, 255, .08);--color-border: rgba(255, 255, 255, .1);--color-text: #f0f0f5;--color-muted: rgba(240, 240, 245, .5);--color-accent: #7c3aed;--color-accent-light: #a855f7;--color-accent-glow: rgba(124, 58, 237, .4);--color-red: #ef4444;--radius-sm: 8px;--radius-md: 16px;--radius-lg: 24px;font-family:Inter,system-ui,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}html,body,#root{height:100%}body{background-color:var(--color-bg);color:var(--color-text)}.loading-screen{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;background:var(--color-bg)}.loading-text{color:var(--color-muted);font-size:.9rem;letter-spacing:.05em}.spinner{width:40px;height:40px;border:3px solid rgba(124,58,237,.2);border-top-color:var(--color-accent-light);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.login-page{min-height:100%;display:grid;place-items:center;padding:24px;position:relative;overflow:hidden}.login-page:before,.login-page:after{content:"";position:absolute;border-radius:50%;filter:blur(120px);pointer-events:none}.login-page:before{width:600px;height:600px;background:radial-gradient(circle,rgba(124,58,237,.18) 0%,transparent 70%);top:-150px;left:-100px}.login-page:after{width:500px;height:500px;background:radial-gradient(circle,rgba(168,85,247,.12) 0%,transparent 70%);bottom:-100px;right:-80px}.login-card{position:relative;z-index:1;width:100%;max-width:420px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:48px 40px;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);box-shadow:0 0 0 1px #ffffff0a inset,0 32px 64px #00000080;animation:fadeUp .5s ease both}@keyframes fadeUp{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}.login-logo{display:flex;align-items:center;gap:10px;margin-bottom:32px}.login-logo-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--color-accent),var(--color-accent-light));border-radius:10px;display:grid;place-items:center;font-size:1.2rem;box-shadow:0 0 20px var(--color-accent-glow)}.login-logo-text{font-size:1.3rem;font-weight:700;letter-spacing:-.03em;background:linear-gradient(135deg,#fff 30%,#fff9);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.login-headline{font-size:1.75rem;font-weight:800;letter-spacing:-.04em;line-height:1.2;margin-bottom:10px}.login-subtext{color:var(--color-muted);font-size:.9rem;line-height:1.6;margin-bottom:36px}.btn-login{width:100%;padding:14px 20px;background:linear-gradient(135deg,var(--color-accent) 0%,var(--color-accent-light) 100%);color:#fff;font-size:.95rem;font-weight:600;font-family:inherit;border:none;border-radius:var(--radius-sm);cursor:pointer;display:flex;align-items:center;justify-content:center;gap:10px;transition:opacity .15s,transform .15s,box-shadow .15s;box-shadow:0 4px 20px var(--color-accent-glow)}.btn-login:hover{opacity:.92;transform:translateY(-1px);box-shadow:0 8px 30px var(--color-accent-glow)}.btn-login:active{transform:translateY(0)}.login-footer{margin-top:28px;text-align:center;font-size:.78rem;color:var(--color-muted)}.dashboard{min-height:100%;display:flex;flex-direction:column}.dashboard-header{display:flex;align-items:center;justify-content:space-between;padding:16px 28px;border-bottom:1px solid var(--color-border);background:#0a0a0fcc;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);position:sticky;top:0;z-index:10}.logo{font-weight:700;font-size:1.1rem;letter-spacing:-.03em;background:linear-gradient(135deg,#fff 30%,#ffffff80);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.user-info{display:flex;align-items:center;gap:16px;font-size:.85rem;color:var(--color-muted)}.btn-logout{padding:7px 16px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text);font-size:.82rem;font-family:inherit;cursor:pointer;transition:background .15s}.btn-logout:hover{background:var(--color-surface-hover)}.logo-brand{display:flex;align-items:center;gap:10px}.logo-icon{width:32px;height:32px;background:linear-gradient(135deg,var(--color-accent),var(--color-accent-light));border-radius:8px;display:grid;place-items:center;font-size:1rem}.dashboard-layout{flex:1;display:flex;height:calc(100vh - 65px);overflow:hidden}.playlists-sidebar{width:320px;background:#0f0f1699;border-right:1px solid var(--color-border);display:flex;flex-direction:column;padding:20px;gap:16px}.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding-bottom:12px;border-bottom:1px solid var(--color-border)}.sidebar-header h2{font-size:1.1rem;font-weight:700}.playlists-list{display:flex;flex-direction:column;gap:8px;overflow-y:auto;flex:1;padding-right:4px}.playlist-item{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;background:var(--color-surface);border:1px solid transparent;border-radius:var(--radius-sm);cursor:pointer;transition:all .15s ease}.playlist-item:hover{background:var(--color-surface-hover);border-color:#ffffff1a}.playlist-item.active{background:#7c3aed26;border-color:var(--color-accent);box-shadow:0 0 15px #7c3aed33}.playlist-item-info{display:flex;align-items:center;gap:10px;overflow:hidden}.playlist-name{font-weight:600;font-size:.9rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.playlist-count{font-size:.75rem;color:var(--color-muted)}.sidebar-empty,.sidebar-loading{text-align:center;padding:32px 16px;color:var(--color-muted);font-size:.85rem;display:flex;flex-direction:column;gap:12px;align-items:center}.playlist-detail{flex:1;display:flex;flex-direction:column;padding:32px 40px;overflow-y:auto;background:radial-gradient(circle at 80% 20%,rgba(124,58,237,.05) 0%,transparent 60%)}.detail-container{max-width:900px;width:100%;margin:0 auto;display:flex;flex-direction:column;gap:28px}.detail-header{display:flex;align-items:center;justify-content:space-between;padding-bottom:20px;border-bottom:1px solid var(--color-border)}.detail-title{font-size:1.8rem;font-weight:800;letter-spacing:-.03em}.detail-subtitle{color:var(--color-muted);font-size:.88rem;margin-top:4px}.detail-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:var(--color-muted);text-align:center}.empty-icon{font-size:3rem;margin-bottom:8px}.songs-grid{display:flex;flex-direction:column;gap:10px}.song-card{display:flex;align-items:center;gap:16px;padding:14px 20px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);transition:all .15s ease}.song-card:hover{background:var(--color-surface-hover);border-color:#ffffff26;transform:translate(4px)}.song-number{font-size:.85rem;font-weight:700;color:var(--color-accent-light);min-width:24px}.song-content{flex:1;display:flex;flex-direction:column;gap:2px;overflow:hidden}.song-link{color:var(--color-text);font-weight:600;font-size:.95rem;text-decoration:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:color .15s}.song-link:hover{color:var(--color-accent-light)}.song-url{font-size:.75rem;color:var(--color-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.songs-empty{text-align:center;padding:60px 24px;background:var(--color-surface);border:1px dashed var(--color-border);border-radius:var(--radius-md);display:flex;flex-direction:column;align-items:center;gap:12px}.btn-primary{padding:10px 20px;background:linear-gradient(135deg,var(--color-accent),var(--color-accent-light));color:#fff;font-size:.88rem;font-weight:600;font-family:inherit;border:none;border-radius:var(--radius-sm);cursor:pointer;box-shadow:0 4px 16px var(--color-accent-glow);transition:all .15s ease}.btn-primary:hover{opacity:.92;transform:translateY(-1px)}.btn-primary-sm{padding:6px 12px;background:var(--color-accent);color:#fff;font-size:.78rem;font-weight:600;font-family:inherit;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:all .15s ease}.btn-primary-sm:hover{background:var(--color-accent-light)}.btn-secondary,.btn-secondary-sm{padding:8px 16px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text);font-size:.85rem;font-family:inherit;cursor:pointer;transition:background .15s}.btn-secondary:hover,.btn-secondary-sm:hover{background:var(--color-surface-hover)}.btn-icon-delete{background:transparent;border:none;cursor:pointer;font-size:.85rem;opacity:.5;transition:opacity .15s,transform .15s;padding:4px}.btn-icon-delete:hover{opacity:1;transform:scale(1.15)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:100;display:grid;place-items:center;padding:20px;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-card{width:100%;max-width:440px;background:#12121a;border:1px solid var(--color-border);border-radius:var(--radius-md);padding:28px;box-shadow:0 20px 50px #000c;display:flex;flex-direction:column;gap:20px}.modal-card h3{font-size:1.2rem;font-weight:700}.room-prep-backdrop{cursor:wait}.room-prep-card{align-items:center;text-align:center;gap:14px}.room-prep-song{margin:0;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--color-muted);font-size:.9rem}.room-prep-bar{width:100%;height:8px;border-radius:999px;background:var(--color-surface);overflow:hidden}.room-prep-bar-fill{height:100%;background:linear-gradient(90deg,var(--color-accent),var(--color-accent-light));transition:width .25s ease}.room-prep-hint{margin:0;font-size:.8rem;color:var(--color-muted)}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label{font-size:.82rem;color:var(--color-muted)}.form-group input{width:100%;padding:12px 14px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text);font-size:.9rem;font-family:inherit;outline:none;transition:border-color .15s}.form-group input:focus{border-color:var(--color-accent-light);box-shadow:0 0 0 2px #a855f733}.form-error{color:var(--color-red);font-size:.8rem}.modal-actions{display:flex;align-items:center;justify-content:flex-end;gap:12px;margin-top:8px}.btn-cancel{padding:9px 18px;background:transparent;border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text);font-size:.85rem;font-family:inherit;cursor:pointer}.btn-submit{padding:9px 20px;background:var(--color-accent);border:none;border-radius:var(--radius-sm);color:#fff;font-size:.85rem;font-weight:600;font-family:inherit;cursor:pointer;transition:background .15s}.btn-submit:hover{background:var(--color-accent-light)}.detail-header-actions{display:flex;align-items:center;gap:12px}.btn-watch-together{padding:10px 20px;background:linear-gradient(135deg,#10b981,#059669);color:#fff;font-size:.88rem;font-weight:700;font-family:inherit;border:none;border-radius:var(--radius-sm);cursor:pointer;box-shadow:0 4px 16px #10b98166;transition:all .15s ease}.btn-watch-together:hover{opacity:.92;transform:translateY(-1px);box-shadow:0 6px 20px #10b98180}.room-page{min-height:100vh;display:flex;flex-direction:column;background:var(--color-bg)}.room-header{display:flex;align-items:center;justify-content:space-between;padding:16px 32px;border-bottom:1px solid var(--color-border);background:#0a0a0fd9;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.room-brand{display:flex;align-items:center;gap:12px}.room-divider{color:var(--color-muted);font-size:1.1rem}.room-title-badge{font-weight:700;font-size:1.05rem;color:var(--color-text)}.room-actions{display:flex;align-items:center;gap:16px}.users-badge{display:flex;align-items:center;gap:8px;padding:6px 14px;background:#10b9811a;border:1px solid rgba(16,185,129,.3);border-radius:20px;font-size:.82rem;font-weight:600;color:#10b981}.live-dot{width:8px;height:8px;background:#10b981;border-radius:50%;box-shadow:0 0 10px #10b981;animation:pulse 1.5s infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.8)}}.btn-share{padding:8px 16px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text);font-size:.84rem;font-weight:600;font-family:inherit;cursor:pointer;transition:all .15s}.btn-share:hover{background:var(--color-surface-hover);border-color:#fff3}.room-layout{flex:1;display:flex;height:calc(100vh - 65px);overflow:hidden}.room-player-container{flex:1;display:grid;place-items:center;padding:40px;background:radial-gradient(circle at 50% 30%,rgba(124,58,237,.1) 0%,transparent 70%)}.player-card{width:100%;max-width:480px;background:#12121abf;border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:36px 32px;-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);box-shadow:0 30px 60px #0009;display:flex;flex-direction:column;align-items:center;gap:24px}.player-art{width:180px;height:180px;border-radius:50%;background:linear-gradient(135deg,var(--color-accent),var(--color-accent-light));display:grid;place-items:center;box-shadow:0 0 30px var(--color-accent-glow);transition:transform .3s ease}.player-art.playing{animation:rotateDisc 10s linear infinite}@keyframes rotateDisc{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.art-disc{width:160px;height:160px;border-radius:50%;background:#0a0a0f;border:4px solid rgba(255,255,255,.1);display:grid;place-items:center}.disc-icon{font-size:3.5rem}.player-info{text-align:center;width:100%}.song-title{font-size:1.25rem;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:4px}.song-source-link{font-size:.8rem;color:var(--color-accent-light);text-decoration:none}.song-source-link:hover{text-decoration:underline}.audio-loading-notice{font-size:.8rem;color:var(--color-muted);font-style:italic}.seek-slider{width:100%;accent-color:var(--color-accent-light);cursor:pointer}.time-display{display:flex;justify-content:space-between;font-size:.75rem;color:var(--color-muted);margin-top:4px;font-family:monospace}.player-controls{display:flex;align-items:center;gap:20px}.volume-control{display:flex;align-items:center;gap:8px;margin-left:8px;color:var(--color-muted);font-size:.95rem}.volume-control input[type=range]{width:90px;accent-color:var(--color-accent)}.btn-control{width:44px;height:44px;border-radius:50%;background:var(--color-surface);border:1px solid var(--color-border);color:var(--color-text);font-size:1.1rem;cursor:pointer;display:grid;place-items:center;transition:all .15s}.btn-control:hover:not(:disabled){background:var(--color-surface-hover);transform:scale(1.08)}.btn-control:disabled{opacity:.3;cursor:not-allowed}.btn-control-main{width:60px;height:60px;border-radius:50%;background:linear-gradient(135deg,var(--color-accent),var(--color-accent-light));border:none;color:#fff;font-size:1.5rem;cursor:pointer;display:grid;place-items:center;box-shadow:0 4px 20px var(--color-accent-glow);transition:all .15s}.btn-control-main:hover{transform:scale(1.08);box-shadow:0 6px 26px var(--color-accent-glow)}.room-queue-sidebar{width:320px;background:#0f0f1699;border-left:1px solid var(--color-border);display:flex;flex-direction:column;padding:24px 20px;gap:16px}.room-queue-sidebar h3{font-size:1rem;font-weight:700;padding-bottom:12px;border-bottom:1px solid var(--color-border)}.queue-list{display:flex;flex-direction:column;gap:8px;overflow-y:auto;flex:1}.queue-item{display:flex;align-items:center;gap:12px;padding:10px 12px;background:var(--color-surface);border:1px solid transparent;border-radius:var(--radius-sm);cursor:pointer;transition:all .15s}.queue-item:hover{background:var(--color-surface-hover)}.queue-item.active{background:#7c3aed26;border-color:var(--color-accent)}.queue-idx{font-size:.75rem;font-weight:700;color:var(--color-accent-light)}.queue-info{flex:1;overflow:hidden}.queue-title{font-size:.85rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}.playing-indicator{color:var(--color-accent-light);font-size:.75rem}.room-error-page{min-height:100vh;display:grid;place-items:center;padding:24px}.error-card{text-align:center;max-width:400px;padding:40px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);display:flex;flex-direction:column;align-items:center;gap:16px}.error-icon{font-size:3rem}.autoplay-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0a0a0fd9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:9999;display:grid;place-items:center;padding:24px;cursor:pointer;animation:fadeIn .3s ease}.autoplay-card{background:var(--color-surface);border:1px solid var(--color-accent);box-shadow:0 10px 40px var(--color-accent-glow);padding:40px 32px;border-radius:var(--radius-lg);text-align:center;max-width:420px;display:flex;flex-direction:column;align-items:center;gap:16px}.autoplay-icon{font-size:3.5rem;animation:pulse 1.5s infinite alternate}.autoplay-card h3{font-size:1.5rem;font-weight:700;color:var(--color-text)}.autoplay-card p{font-size:.95rem;color:var(--color-muted)}.btn-join-live{margin-top:8px;padding:14px 28px;background:linear-gradient(135deg,var(--color-accent),var(--color-accent-light));color:#fff;border:none;border-radius:var(--radius-md);font-size:1.05rem;font-weight:700;cursor:pointer;box-shadow:0 4px 20px var(--color-accent-glow);transition:all .2s ease}.btn-join-live:hover{transform:scale(1.05);box-shadow:0 6px 28px var(--color-accent-glow)}