:root{--bg-color: #0a0a1a;--surface-color: rgba(26, 26, 46, .6);--surface-border: rgba(255, 255, 255, .08);--primary: #6C63FF;--primary-hover: #5A52D5;--secondary: #00D4AA;--text-main: #ffffff;--text-muted: #8892B0;--danger: #FF6B6B;--font-family: "Inter", sans-serif}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-main);min-height:100vh;display:flex;flex-direction:column;position:relative;overflow-x:hidden}.particles{position:fixed;top:0;left:0;width:100vw;height:100vh;background:radial-gradient(circle at 15% 50%,rgba(108,99,255,.15),transparent 25%),radial-gradient(circle at 85% 30%,rgba(0,212,170,.1),transparent 25%);z-index:-1}.app-container{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;flex-direction:column;min-height:100vh}.header{display:flex;justify-content:space-between;align-items:center;padding:24px 0}.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.25rem;color:var(--primary)}.logo span{color:var(--text-main)}.nav-link{color:var(--text-muted);text-decoration:none;margin-left:20px;font-weight:500;transition:color .2s}.nav-link:hover{color:var(--text-main)}.main-content{flex:1;display:flex;flex-direction:column;align-items:center;margin-top:60px}.hero-section{text-align:center;width:100%;max-width:700px}.hero-section h1{font-size:2.5rem;margin-bottom:12px;background:linear-gradient(90deg,var(--text-main),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero-section p{color:var(--text-muted);margin-bottom:40px;font-size:1.1rem}.glass-card{background:var(--surface-color);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--surface-border);border-radius:16px;padding:24px}.download-card{display:flex;flex-direction:column;gap:16px;box-shadow:0 20px 40px #0006}.input-group{position:relative;display:flex;align-items:center;width:100%}.input-icon{position:absolute;left:16px;color:var(--text-muted);pointer-events:none}input[type=url]{width:100%;padding:16px 50px;border-radius:12px;border:1px solid rgba(255,255,255,.1);background:#0000004d;color:var(--text-main);font-size:1rem;outline:none;transition:all .2s}input[type=url]:focus{border-color:var(--primary);box-shadow:0 0 0 2px #6c63ff33}#paste-btn{position:absolute;right:8px;padding:8px;border-radius:8px}.btn{display:flex;align-items:center;justify-content:center;gap:8px;padding:14px 24px;border:none;border-radius:12px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 8px 16px #6c63ff4d}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:transparent;color:var(--text-muted)}.btn-secondary:hover{background:#ffffff0d;color:var(--text-main)}.btn-accent{background:var(--secondary);color:#000}.btn-accent:hover{background:#00b38f;transform:translateY(-2px)}.btn-outline{background:transparent;color:var(--text-muted);border:1px solid var(--text-muted)}.btn-outline:hover{color:var(--text-main);border-color:var(--text-main);background:#ffffff0d}.loader{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:24px;color:var(--text-muted)}.spinner{width:20px;height:20px;border:2px solid var(--text-muted);border-top-color:var(--primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.hidden{display:none!important}.error-message{padding:16px;background:#ff6b6b1a;border:1px solid rgba(255,107,107,.2);color:var(--danger);border-radius:12px;margin-top:16px}.results-panel{width:100%;max-width:700px;margin-top:32px;animation:slideUp .4s ease forwards}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.video-card{display:flex;flex-direction:column;gap:20px}@media(min-width:600px){.video-card{flex-direction:row}}.video-thumb{width:100%;max-width:250px;border-radius:12px;object-fit:cover;background:#000}.video-info{flex:1;display:flex;flex-direction:column;gap:12px}.video-title{font-size:1.1rem;font-weight:600;line-height:1.4;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.badges{display:flex;gap:8px}.badge{padding:4px 10px;border-radius:20px;font-size:.8rem;background:#ffffff1a;color:var(--text-muted)}.quality-select{background:#0006;color:var(--text-main);border:1px solid var(--surface-border);padding:10px 14px;border-radius:12px;outline:none;font-size:1rem;cursor:pointer}.quality-select:focus{border-color:var(--primary)}.download-options{display:flex;gap:12px;margin-top:auto}.platforms-grid{display:flex;gap:20px;margin-top:60px;flex-wrap:wrap;justify-content:center}.platform{display:flex;align-items:center;gap:8px;color:var(--text-muted);font-weight:500}.platform i{color:var(--primary)}.footer{text-align:center;padding:24px 0;color:var(--text-muted);font-size:.9rem;margin-top:auto}