:root{--primary:#6366f1;--primary-hover:#4f46e5;--bg-dark:#0f172a;--bg-card:#1e293bb3;--text-main:#f8fafc;--text-muted:#94a3b8;--error:#ef4444;--success:#22c55e;--glass-border:#ffffff1a}*{box-sizing:border-box;margin:0;padding:0;font-family:Inter,system-ui,-apple-system,sans-serif}body{color:var(--text-main);background:radial-gradient(circle at 100% 0,#1e293b,#0f172a);justify-content:center;align-items:center;min-height:100vh;display:flex;overflow-x:hidden}.glass-card{background:var(--bg-card);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:24px;width:100%;max-width:450px;padding:2.5rem;transition:transform .3s,box-shadow .3s;box-shadow:0 8px 32px #0000005e}.glass-card:hover{transform:translateY(-5px);box-shadow:0 12px 48px #00000080}h1{-webkit-text-fill-color:transparent;text-align:center;background:linear-gradient(135deg,#fff 0%,#94a3b8 100%);-webkit-background-clip:text;background-clip:text;margin-bottom:.5rem;font-size:2.5rem;font-weight:800}p.subtitle{color:var(--text-muted);text-align:center;margin-bottom:2rem;font-size:.95rem}.input-group{margin-bottom:1.5rem}label{color:var(--text-muted);margin-bottom:.5rem;margin-left:.5rem;font-size:.85rem;display:block}input{border:1px solid var(--glass-border);color:#fff;background:#0f172a99;border-radius:12px;width:100%;padding:.8rem 1.2rem;font-size:1rem;transition:all .2s}input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #6366f133}button{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:12px;width:100%;margin-top:1rem;padding:1rem;font-size:1rem;font-weight:600;transition:all .2s}button:hover{background:var(--primary-hover);transform:scale(1.02)}button:active{transform:scale(.98)}.btn-secondary{border:1px solid var(--glass-border);background:0 0;margin-top:.5rem}.btn-secondary:hover{background:#ffffff0d}.dashboard-container{width:90%;max-width:800px;margin:2rem auto}.url-list{margin-top:2rem}.url-item{border:1px solid var(--glass-border);background:#ffffff08;border-radius:16px;justify-content:space-between;align-items:center;margin-bottom:1rem;padding:1rem 1.5rem;animation:.3s ease-out slideIn;display:flex}@keyframes slideIn{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}.url-text{text-overflow:ellipsis;white-space:nowrap;flex:1;margin-right:1rem;font-size:.95rem;overflow:hidden}.delete-btn{color:var(--error);background:#ef44441a;border-radius:8px;width:auto;margin-top:0;padding:.5rem 1rem;font-size:.8rem}.delete-btn:hover{background:var(--error);color:#fff}.loading-spinner{border:3px solid #ffffff1a;border-top-color:#fff;border-radius:50%;width:24px;height:24px;margin:2rem auto;animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}