: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}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-dark: #020617;--bg-card: rgba(15, 23, 42, .6);--primary: #ec4899;--primary-glow: #db2777;--accent: #8b5cf6;--text-main: #f8fafc;--text-muted: #94a3b8;--glass-border: rgba(255, 255, 255, .08);--success: #10b981}body{margin:0;display:flex;place-items:center;min-height:100vh;background-color:var(--bg-dark);background-image:radial-gradient(at 0% 0%,hsla(253,16%,7%,1) 0,transparent 50%),radial-gradient(at 50% 0%,hsla(225,39%,30%,1) 0,transparent 50%),radial-gradient(at 100% 0%,hsla(339,49%,30%,1) 0,transparent 50%);color:var(--text-main);font-family:Outfit,Inter,sans-serif;overflow-x:hidden}#root{width:100%}.app-container{max-width:900px;margin:0 auto;padding:2rem;width:100%;display:flex;justify-content:center}.glass-panel{background:var(--bg-card);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:32px;padding:3.5rem;width:100%;box-shadow:0 0 50px -10px #000000b3;position:relative;overflow:hidden}.glass-panel:before{content:"";position:absolute;top:0;left:-50%;width:200%;height:100%;background:linear-gradient(to right,transparent,rgba(255,255,255,.03),transparent);transform:rotate(30deg);pointer-events:none}.title{text-align:center;font-size:3.5rem;margin-bottom:3rem;font-weight:800;letter-spacing:-.05em;display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem}.brand-blue{background:linear-gradient(135deg,#3b82f6,#60a5fa);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;text-shadow:0 0 30px rgba(59,130,246,.4)}.brand-red{color:red;background:linear-gradient(135deg,red,#ff4d4d);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;text-shadow:0 0 30px rgba(255,0,0,.6),0 0 60px rgba(255,0,0,.3)}.brand-default{background:linear-gradient(to right,#fff,#94a3b8);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}.input-group{display:flex;gap:1rem;margin-bottom:2.5rem;position:relative}input{flex:1;background:#02061780;border:2px solid var(--glass-border);border-radius:16px;padding:1.25rem 2rem;color:#fff;font-size:1.1rem;transition:all .3s cubic-bezier(.4,0,.2,1)}input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px #ec489926;background:#020617cc}.search-btn,.primary-btn{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;border:none;border-radius:16px;padding:0 2.5rem;font-size:1.1rem;font-weight:700;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 20px #ec48994d}.search-btn:hover,.primary-btn:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 10px 30px #ec489980}.video-card{background:#1e293b4d;border-radius:24px;overflow:hidden;border:1px solid var(--glass-border);animation:slideUp .6s cubic-bezier(.16,1,.3,1);display:flex;flex-direction:column}@keyframes slideUp{0%{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}.thumbnail{width:100%;aspect-ratio:16/9;object-fit:cover;border-bottom:1px solid var(--glass-border)}.video-details{padding:2rem}.video-details h2{margin:0 0 1rem;font-size:1.5rem;line-height:1.4;font-weight:700}.controls{margin-top:2rem;display:flex;gap:1rem}.quality-select{flex:1;background:#02061780;color:#fff;border:1px solid var(--glass-border);padding:1rem 1.5rem;border-radius:12px;font-size:1rem;cursor:pointer;appearance:none}.download-btn{flex:2;background:#fff;color:var(--bg-dark);border:none;border-radius:12px;padding:1rem;font-weight:800;font-size:1.1rem;cursor:pointer;transition:all .3s ease}.download-btn:hover{transform:translateY(-2px);box-shadow:0 10px 25px #fff3}.download-overlay{position:fixed;inset:0;background:#020617f2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);z-index:100;display:flex;justify-content:center;align-items:center;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.overlay-content{width:90%;max-width:600px;text-align:center;animation:scaleIn .4s cubic-bezier(.34,1.56,.64,1)}@keyframes scaleIn{0%{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}.overlay-thumb{width:200px;border-radius:16px;box-shadow:0 20px 50px #00000080;margin-bottom:2rem}.overlay-title{font-size:1.5rem;margin-bottom:2rem;color:var(--text-muted)}.progress-container{height:12px;background:#ffffff1a;border-radius:10px;overflow:hidden;margin-bottom:1.5rem;position:relative}.progress-bar{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));transition:width .3s linear;box-shadow:0 0 20px var(--primary)}.status-message{font-size:1.25rem;font-weight:600;margin-bottom:2rem;display:flex;justify-content:space-between;align-items:center}.percent-text{color:var(--primary)}.cancel-btn,.secondary-btn{background:transparent;border:1px solid rgba(255,255,255,.2);color:var(--text-muted);padding:.75rem 2rem;border-radius:12px;cursor:pointer;transition:all .2s}.cancel-btn:hover{border-color:#fff;color:#fff}.success-message{animation:slideUp .3s ease}.language-switcher{position:absolute;top:1.5rem;right:2rem;display:flex;gap:.5rem;align-items:center;background:#0f172a66;padding:.5rem 1rem;border-radius:20px;border:1px solid var(--glass-border);z-index:10}.language-switcher button{background:transparent;color:var(--text-muted);border:none;padding:0;font-weight:600;font-size:.9rem;cursor:pointer;transition:all .2s;box-shadow:none}.language-switcher button:hover{color:#fff;transform:none;box-shadow:none}.language-switcher button.active{color:var(--primary);text-shadow:0 0 10px var(--primary-glow)}.separator{color:var(--glass-border);font-size:.8rem}.return-btn{position:absolute;top:1.5rem;left:2rem;display:flex;align-items:center;gap:.5rem;color:var(--text-muted);text-decoration:none;font-weight:600;font-size:.9rem;background:#0f172a66;padding:.5rem 1rem;border-radius:20px;border:1px solid var(--glass-border);transition:all .2s;z-index:10}.return-btn:hover{color:#fff;background:#0f172a99;transform:translate(-3px)}@media(max-width:600px){.language-switcher{top:1rem;right:1rem}.return-btn{top:1rem;left:1rem}}