:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}#app{max-width:1280px;margin:0 auto;padding:2rem;text-align:center}.logo{height:6em;padding:1.5em;will-change:filter;transition:filter .3s}.logo:hover{filter:drop-shadow(0 0 2em #646cffaa)}.logo.vanilla:hover{filter:drop-shadow(0 0 2em #3178c6aa)}.card{padding:2em}.read-the-docs{color:#888}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--bg-color: #0f172a;--card-bg: #1e293b;--accent-color: #38bdf8;--text-primary: #f8fafc;--text-secondary: #94a3b8;--danger: #ef4444;--success: #22c55e;--tg-bg: var(--tg-theme-bg-color, var(--bg-color));--tg-text: var(--tg-theme-text-color, var(--text-primary))}*{margin:0;padding:0;box-sizing:border-box}body{background:var(--bg-color);color:var(--text-primary);font-family:Inter,system-ui,-apple-system,sans-serif;line-height:1.5}.container{max-width:600px;margin:0 auto;padding:1.5rem;min-height:100vh}header{margin-bottom:2rem}h1{font-size:1.875rem;font-weight:800;background:linear-gradient(to right,#38bdf8,#818cf8);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:.5rem}.channel-card{background:var(--card-bg);border-radius:20px;padding:1.5rem;margin-bottom:1rem;border:1px solid rgba(255,255,255,.05);transition:all .2s cubic-bezier(.4,0,.2,1);cursor:pointer}.channel-card:hover{transform:translateY(-4px) scale(1.01);background:#243147;border-color:var(--accent-color);box-shadow:0 20px 25px -5px #0003}.channel-info{color:var(--text-secondary);font-size:.875rem;margin-top:.25rem}.source-card{background:#ffffff08;border-radius:16px;padding:1.25rem;margin-bottom:1rem;display:flex;justify-content:space-between;align-items:center;border:1px solid rgba(255,255,255,.05)}.source-main h4{font-size:1rem;margin-bottom:.25rem}.source-main code{display:block;font-size:.75rem;color:var(--accent-color);opacity:.8;word-break:break-all}.btn-primary{background:var(--accent-color);color:#0f172a;border:none;border-radius:14px;padding:1rem;font-weight:700;width:100%;cursor:pointer;transition:all .2s;font-size:1rem;margin-top:1rem}.btn-primary:active{transform:scale(.98);filter:brightness(.9)}.btn-toggle{background:#334155;border:none;color:#fff;padding:.5rem 1rem;border-radius:10px;font-weight:700;font-size:.75rem;cursor:pointer;transition:all .2s}.btn-toggle.active{background:var(--success);box-shadow:0 0 15px #22c55e4d}.btn-delete{background:#ef44441a;border:none;color:var(--danger);width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s}.btn-delete:hover{background:var(--danger);color:#fff}.view-header{display:flex;align-items:center;gap:1rem;margin-bottom:2rem}.btn-back{background:#ffffff0d;border:none;color:#fff;width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;cursor:pointer}.btn-fab{position:fixed;bottom:2rem;right:2.5rem;background:var(--accent-color);color:#0f172a;width:56px;height:56px;border-radius:20px;border:none;font-size:2rem;box-shadow:0 10px 15px -3px #38bdf866;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;z-index:100}.btn-fab:active{transform:scale(.9) rotate(90deg)}.empty-state{text-align:center;padding:4rem 1rem;background:#ffffff05;border-radius:24px;border:2px dashed rgba(255,255,255,.05)}.empty-state p{color:var(--text-secondary);margin-bottom:1.5rem}.loading{display:flex;min-height:100vh;align-items:center;justify-content:center;color:var(--text-secondary);font-weight:500;letter-spacing:.05em}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-size:.875rem;color:var(--text-secondary)}input{width:100%;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:1rem;color:#fff;font-size:1rem;transition:all .2s}input:focus{outline:none;border-color:var(--accent-color);background:#ffffff14}.error-message{background:#ef44441a;color:var(--danger);padding:1rem;border-radius:12px;margin-bottom:1.5rem;font-size:.875rem}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.channel-card,.source-card,.empty-state,.premium-form{animation:fadeIn .4s ease-out forwards}