:root{--bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);--glass-bg: rgba(255, 255, 255, .03);--glass-border: rgba(255, 255, 255, .08);--glass-bg-hover: rgba(255, 255, 255, .06);--accent: #8b5cf6;--accent-hover: #a78bfa;--text-main: #f8fafc;--text-muted: #94a3b8;--text-dim: #64748b;--danger: #ef4444;--success: #10b981;--card-bg: rgba(0, 0, 0, .2)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Outfit,sans-serif;background:var(--bg-gradient);color:var(--text-main);min-height:100vh;overflow-x:hidden}.bg-orbs{position:fixed;top:0;left:0;width:100vw;height:100vh;z-index:-1;overflow:hidden;pointer-events:none}.orb{position:absolute;border-radius:50%;filter:blur(100px);opacity:.4;animation:float 25s infinite ease-in-out alternate}.orb-1{width:500px;height:500px;background:#8b5cf6;top:-150px;left:-150px}.orb-2{width:400px;height:400px;background:#ec4899;bottom:-100px;right:-100px;animation-delay:-7s}.orb-3{width:300px;height:300px;background:#06b6d4;top:50%;left:50%;animation-delay:-12s}@keyframes float{0%{transform:translate(0) scale(1)}to{transform:translate(80px,40px) scale(1.15)}}.app-container{width:100%;max-width:1200px;margin:0 auto;padding:2rem;z-index:1;position:relative}.glass-panel{background:var(--glass-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:24px;padding:2.5rem;box-shadow:0 25px 50px -12px #00000080;animation:slideUp .6s cubic-bezier(.16,1,.3,1)}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.header{text-align:center;margin-bottom:2rem}.title{font-size:2.8rem;font-weight:800;background:linear-gradient(135deg,#a855f7,#ec4899,#06b6d4);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:.4rem;letter-spacing:-1px}.subtitle{color:var(--text-muted);font-size:1.05rem;font-weight:300}.input-group{display:flex;gap:1rem;margin-bottom:1.5rem}.url-input{flex:1;background:var(--card-bg);border:1px solid var(--glass-border);border-radius:14px;padding:1rem 1.5rem;color:var(--text-main);font-family:inherit;font-size:1.05rem;transition:all .3s ease}.url-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px #8b5cf626}.url-input::placeholder{color:var(--text-dim)}.btn{background:var(--accent);color:#fff;border:none;border-radius:14px;padding:0 2rem;font-family:inherit;font-weight:600;font-size:1.05rem;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;gap:.5rem;white-space:nowrap}.btn:hover:not(:disabled){background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 10px 25px -8px #8b5cf680}.btn:disabled{opacity:.4;cursor:not-allowed}.content-split{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin-top:1.5rem;animation:fadeIn .5s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.left-panel{display:flex;flex-direction:column;gap:1.5rem}.player-wrapper{position:relative;width:100%;padding-bottom:56.25%;border-radius:16px;overflow:hidden;background:#000;box-shadow:0 15px 30px -10px #0009}.player-wrapper iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:none}.player-placeholder{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-dim);gap:1rem}.player-placeholder svg{opacity:.3}.single-controls{background:var(--card-bg);border:1px solid var(--glass-border);border-radius:16px;padding:1.5rem}.video-title-display{font-size:1.2rem;font-weight:600;margin-bottom:1rem;line-height:1.4}.format-controls{display:flex;flex-direction:column;gap:1rem;margin-bottom:1rem}.control-row{display:flex;flex-direction:column;gap:.4rem}.control-label{font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text-dim)}.pill-group{display:flex;flex-wrap:wrap;gap:.4rem}.pill{background:#00000040;border:1px solid var(--glass-border);color:var(--text-muted);padding:.45rem .9rem;border-radius:20px;font-family:inherit;font-size:.85rem;font-weight:500;cursor:pointer;transition:all .2s ease;white-space:nowrap}.pill:hover{background:#8b5cf61a;border-color:#8b5cf64d;color:var(--text-main)}.pill.active{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 4px 12px -2px #8b5cf666}.download-btn{width:100%;padding:.9rem;justify-content:center;background:linear-gradient(135deg,#10b981,#059669);border-radius:12px}.download-btn:hover:not(:disabled){background:linear-gradient(135deg,#34d399,#10b981);box-shadow:0 10px 25px -8px #10b98180}.right-panel{display:flex;flex-direction:column;gap:1rem}.playlist-header{display:flex;align-items:center;justify-content:space-between;padding:0 .5rem}.playlist-title{font-size:1.2rem;font-weight:600;color:var(--text-main)}.playlist-count{color:var(--text-muted);font-size:.9rem}.playlist-actions{display:flex;gap:.5rem}.btn-sm{padding:.5rem 1rem;font-size:.85rem;border-radius:10px}.btn-outline{background:transparent;border:1px solid var(--glass-border);color:var(--text-muted)}.btn-outline:hover:not(:disabled){background:var(--glass-bg-hover);border-color:var(--accent);color:var(--text-main);transform:none;box-shadow:none}.playlist-scroll{max-height:550px;overflow-y:auto;display:flex;flex-direction:column;gap:.5rem;padding-right:.5rem}.playlist-scroll::-webkit-scrollbar{width:6px}.playlist-scroll::-webkit-scrollbar-track{background:transparent}.playlist-scroll::-webkit-scrollbar-thumb{background:#8b5cf64d;border-radius:10px}.pl-item{display:flex;gap:.75rem;align-items:center;background:var(--card-bg);border:1px solid var(--glass-border);border-radius:12px;padding:.6rem;cursor:pointer;transition:all .25s ease;min-height:72px}.pl-item:hover{background:var(--glass-bg-hover);border-color:#8b5cf64d}.pl-item.active{border-color:var(--accent);background:#8b5cf614}.pl-item.selected{border-color:var(--success);background:#10b9810f}.pl-check{width:20px;height:20px;border:2px solid var(--text-dim);border-radius:6px;flex-shrink:0;display:flex;align-items:center;justify-content:center;transition:all .2s;cursor:pointer}.pl-check.checked{background:var(--success);border-color:var(--success)}.pl-thumb{width:80px;height:45px;border-radius:8px;overflow:hidden;flex-shrink:0;position:relative}.pl-thumb img{width:100%;height:100%;object-fit:cover}.pl-thumb .play-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#0006;opacity:0;transition:opacity .2s}.pl-item:hover .play-overlay{opacity:1}.pl-meta{flex:1;min-width:0}.pl-meta-title{font-size:.85rem;font-weight:500;line-height:1.3;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.pl-meta-duration{font-size:.75rem;color:var(--text-dim);margin-top:2px}.pl-item-actions{flex-shrink:0}.pl-dl-btn{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;padding:0;background:#10b98126;border:1px solid rgba(16,185,129,.3);color:#6ee7b7;cursor:pointer;transition:all .2s}.pl-dl-btn:hover{background:var(--success);color:#fff}.pl-dl-btn:disabled{opacity:.3;cursor:not-allowed}.status{text-align:center;margin-top:1rem;padding:.8rem 1rem;border-radius:10px;font-weight:500;font-size:.95rem;animation:fadeIn .3s ease}.status.error{background:#ef44441a;color:#fca5a5;border:1px solid rgba(239,68,68,.2)}.status.success{background:#10b9811a;color:#6ee7b7;border:1px solid rgba(16,185,129,.2)}.status.loading{color:var(--text-muted)}.spinner{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (max-width: 768px){.content-split{grid-template-columns:1fr}.input-group{flex-direction:column}.btn{padding:1rem;justify-content:center}.title{font-size:2rem}.glass-panel{padding:1.5rem}.pill-group{gap:.3rem}.pill{padding:.35rem .7rem;font-size:.8rem}}.recent-history{margin-top:2rem;padding-top:1rem;border-top:1px solid rgba(255,255,255,.1)}.history-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:15px}.history-item{background:#ffffff0d;border-radius:12px;overflow:hidden;cursor:pointer;transition:all .3s ease;border:1px solid rgba(255,255,255,.1)}.history-item:hover{transform:translateY(-4px);background:#ffffff1a;border-color:#a78bfa80}.history-item img{width:100%;height:112px;object-fit:cover}.history-meta{padding:10px}.history-title{color:#fff;font-size:.85rem;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:4px}.history-date{color:#9ca3af;font-size:.75rem}