:root{--bg: #0b1021;--card: #141a33;--accent: #2de1c2;--accent-2: #ff6b6b;--text: #e8ecf8;--muted: #98a2c3;--border: rgba(255,255,255,.08);--radius: 14px;--shadow: 0 12px 30px rgba(0,0,0,.3);font-family:Inter,system-ui,-apple-system,sans-serif}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 10% 20%,rgba(45,225,194,.08),transparent 25%),radial-gradient(circle at 90% 10%,rgba(255,107,107,.08),transparent 20%),#0b1021;color:var(--text)}#root{min-height:100vh}button{border:none;border-radius:12px;padding:12px 16px;font-size:15px;font-weight:600;cursor:pointer;transition:transform .12s ease,opacity .12s ease}button:disabled{opacity:.6;cursor:not-allowed}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.flex{display:flex}.space-between{justify-content:space-between}.gap-12{gap:12px}.tab-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:12px}.tab-btn{background:var(--card);color:var(--text)}.tab-btn.active{background:linear-gradient(135deg,var(--accent),#6df0dc);color:#0b1021}.section{padding:16px}.skeleton{background:linear-gradient(90deg,#ffffff0a,#ffffff1f,#ffffff0a);background-size:200% 100%;animation:shimmer 1.2s infinite}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}