:root{--color-bg-base:#fbfaf8;--color-bg-surface:#fff;--color-bg-card:#fff;--color-bg-card-hover:#f7f5f2;--color-border:#e6e2dd;--color-border-hover:#b5b0a9;--color-text-primary:#1c1a17;--color-text-secondary:#5a544e;--color-text-muted:#9c938a;--color-youtube:#da1f26;--color-spotify:#1ed760;--color-accent:#1c1a17;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--radius-xl:24px;--radius-full:9999px;--shadow-card:0 4px 20px #1c1a170d;--shadow-hover:0 8px 30px #1c1a171a;--transition-fast:.12s cubic-bezier(.4,0,.2,1);--transition-med:.25s cubic-bezier(.4,0,.2,1)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}body{background:var(--color-bg-base);color:var(--color-text-primary);min-height:100vh;font-family:Outfit,system-ui,sans-serif;overflow-x:hidden}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--color-bg-base)}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--color-border-hover)}h1,h2,h3,h4,h5{color:var(--color-text-primary);letter-spacing:-.02em;font-weight:700;line-height:1.15}p{color:var(--color-text-secondary);line-height:1.6}a{color:inherit;transition:color var(--transition-fast);text-decoration:none}a:hover{color:var(--color-youtube)}.container{max-width:1000px;margin:0 auto;padding:0 24px}.glass-card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);transition:all var(--transition-med);padding:32px}.glass-card:hover{border-color:var(--color-border-hover);box-shadow:var(--shadow-hover)}.btn{border:1px solid var(--color-accent);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-family:Outfit,sans-serif;font-size:14px;font-weight:600;display:inline-flex}.btn:disabled{opacity:.4;cursor:not-allowed;color:#a09990!important;background:#f0edea!important;border-color:#e0dcd7!important;transform:none!important}.btn-youtube{background:var(--color-youtube);border-color:var(--color-youtube);color:#fff}.btn-youtube:hover:not(:disabled){background:#b5151b;border-color:#b5151b}.btn-spotify{background:var(--color-spotify);border-color:var(--color-spotify);color:#1c1a17}.btn-spotify:hover:not(:disabled){background:#17b950;border-color:#17b950}.btn-accent{background:var(--color-accent);color:#fff}.btn-accent:hover:not(:disabled){background:#3c3a37;border-color:#3c3a37}.btn-ghost{color:var(--color-text-secondary);border:1px solid var(--color-border);background:0 0}.btn-ghost:hover:not(:disabled){color:var(--color-text-primary);border-color:var(--color-border-hover);background:#f7f5f2}.badge{border-radius:var(--radius-sm);align-items:center;gap:4px;padding:3px 8px;font-size:11px;font-weight:600;display:inline-flex}.badge-success{color:#15803d;background:#e8f7ed;border:1px solid #c6edd3}.badge-warning{color:#b45309;background:#fffbeb;border:1px solid #fde68a}.badge-error{color:#b91c1c;background:#fef2f2;border:1px solid #fecaca}.progress-bar-track{border-radius:var(--radius-full);background:#e6e2dd;width:100%;height:4px;overflow:hidden}.progress-bar-fill{background:var(--color-text-primary);border-radius:var(--radius-full);height:100%;transition:width .3s}.spinner{border:2px solid #1c1a171a;border-top-color:var(--color-text-primary);border-radius:50%;flex-shrink:0;width:16px;height:16px;animation:.6s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.navbar{z-index:100;-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--color-border);background:#fbfaf8e6;justify-content:space-between;align-items:center;padding:20px 24px;display:flex;position:sticky;top:0}.navbar-logo{letter-spacing:-.03em;color:var(--color-text-primary);text-transform:uppercase;font-family:Outfit,sans-serif;font-size:22px;font-weight:800}.track-item{border-radius:var(--radius-md);border:1px solid var(--color-border);background:var(--color-bg-surface);transition:all var(--transition-fast);align-items:center;gap:16px;padding:12px 16px;display:flex}.track-item:hover{border-color:var(--color-border-hover);background:#fdfdfc}.track-thumb{border-radius:var(--radius-sm);object-fit:cover;background:#f0edea;border:1px solid #0000000d;flex-shrink:0;width:40px;height:40px}.track-info{flex:1;min-width:0}.track-title{white-space:nowrap;text-overflow:ellipsis;color:var(--color-text-primary);font-size:14px;font-weight:600;overflow:hidden}.track-artist{color:var(--color-text-secondary);white-space:nowrap;text-overflow:ellipsis;margin-top:1px;font-size:12px;overflow:hidden}.bg-glow{z-index:-1;pointer-events:none;background:radial-gradient(circle,#1ed7600a 0%,#fbfaf800 70%);width:50vw;height:50vw;position:fixed;top:-10%;right:-10%}.bg-glow-left{z-index:-1;pointer-events:none;background:radial-gradient(circle,#da1f2608 0%,#fbfaf800 70%);width:50vw;height:50vw;position:fixed;bottom:-10%;left:-10%}.tabs-capsule{border:1px solid var(--color-border);background:#f0edea;border-radius:30px;padding:4px;display:inline-flex}.tab-capsule-btn{color:var(--color-text-secondary);cursor:pointer;background:0 0;border:none;border-radius:26px;padding:8px 24px;font-family:Outfit,sans-serif;font-size:13px;font-weight:600;transition:all .2s cubic-bezier(.16,1,.3,1)}.tab-capsule-btn.active{background:var(--color-bg-surface);color:var(--color-text-primary);box-shadow:0 2px 8px #1c1a1714}.split-layout{grid-template-columns:320px 1fr;align-items:start;gap:32px;display:grid}.playlist-sticky-panel{position:sticky;top:100px}@media (max-width:900px){.split-layout{grid-template-columns:1fr;gap:24px}.playlist-sticky-panel{position:relative;top:0}}.playlist-card{background:var(--color-bg-card);border:1px solid var(--color-border);cursor:pointer;color:inherit;border-radius:24px;flex-direction:column;padding:16px;transition:all .35s cubic-bezier(.25,.8,.25,1);display:flex;position:relative;box-shadow:0 4px 16px #1c1a1705}.playlist-card:hover{border-color:#1c1a171f;transform:translateY(-6px);box-shadow:0 24px 38px #1c1a1714}.playlist-thumb-container{aspect-ratio:1;background:#f0edea;border-radius:16px;width:100%;position:relative;overflow:hidden}.playlist-thumb{object-fit:cover;width:100%;height:100%;transition:transform .5s cubic-bezier(.25,.8,.25,1)}.playlist-card:hover .playlist-thumb{transform:scale(1.06)}.playlist-overlay{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);opacity:0;z-index:2;background:#1c1a1740;justify-content:center;align-items:center;width:100%;height:100%;transition:all .3s;display:flex;position:absolute;top:0;left:0}.playlist-card:hover .playlist-overlay{opacity:1}.playlist-overlay-btn{width:48px;height:48px;color:var(--color-text-primary);background:#fffffff2;border-radius:50%;justify-content:center;align-items:center;transition:all .3s cubic-bezier(.175,.885,.32,1.275);display:flex;transform:translateY(12px);box-shadow:0 8px 20px #00000026}.playlist-card:hover .playlist-overlay-btn{transform:translateY(0)}.playlist-card:hover .playlist-overlay-btn:hover{background:#fff;transform:scale(1.1)}.playlist-badge{z-index:5;border-radius:var(--radius-full);letter-spacing:.03em;text-transform:uppercase;padding:4px 12px;font-size:10px;font-weight:700;position:absolute;top:12px;left:12px;box-shadow:0 4px 8px #00000014}.playlist-badge-yt{background:var(--color-youtube);color:#fff}.playlist-badge-sp{background:var(--color-spotify);color:#1c1a17}.playlist-thumb-placeholder{aspect-ratio:1;width:100%;color:var(--color-text-muted);background:#f7f5f2;justify-content:center;align-items:center;font-size:13px;display:flex}.playlist-info{flex-direction:column;flex:1;justify-content:space-between;padding:16px 4px 4px;display:flex}.playlist-title{color:var(--color-text-primary);-webkit-line-clamp:2;text-overflow:ellipsis;-webkit-box-orient:vertical;margin-bottom:6px;font-size:15px;font-weight:700;line-height:1.4;display:-webkit-box;overflow:hidden}.playlist-count{color:var(--color-text-secondary);font-size:12px;font-weight:500}.tag{border-radius:var(--radius-sm);text-transform:uppercase;letter-spacing:.05em;align-items:center;padding:3px 8px;font-size:10px;font-weight:700;display:inline-flex}.tag-connected{color:#15803d;background:#e8f7ed;border:1px solid #c6edd3}.tag-disconnected{color:#6b7280;background:#f3f4f6;border:1px solid #e5e7eb}.stat-box{border-radius:var(--radius-lg);border:1px solid var(--color-border);background:var(--color-bg-card);text-align:center;box-shadow:var(--shadow-card);padding:16px}.stat-number{color:var(--color-text-primary);font-size:28px;font-weight:800}.stat-label{color:var(--color-text-secondary);margin-top:2px;font-size:12px}@keyframes fade-up{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.fade-up{animation:.4s cubic-bezier(.16,1,.3,1) both fade-up}.app-logo-yt,.app-logo-sp{fill:currentColor;width:18px;height:18px}.form-input{border:1px solid var(--color-border);border-radius:var(--radius-sm);width:100%;color:var(--color-text-primary);transition:all var(--transition-fast);background:#fff;outline:none;padding:12px 16px;font-family:Outfit,sans-serif;font-size:14px}.form-input:focus{border-color:var(--color-accent);box-shadow:0 0 0 2px #1c1a170f}@media (max-width:768px){.container{padding:0 16px}}