:root{--bg:#0b0e14;--panel:#131822;--panel-2:#1b2231;--border:#263041;--text:#e6ebf2;--muted:#8a96a8;--accent:#4a86ff;--accent-2:#2ee6a6;--danger:#ff5d6c;--radius:14px}*{box-sizing:border-box}body,html{padding:0;margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,Segoe UI,Roboto,Inter,sans-serif}a{color:var(--accent);text-decoration:none}.container{max-width:920px;margin:0 auto;padding:24px}.nav{display:flex;justify-content:space-between;align-items:center;padding:18px 24px;border-bottom:1px solid var(--border)}.brand{font-weight:700;letter-spacing:.3px}.brand span{color:var(--accent)}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:22px}.hero{padding:56px 0 24px}.hero h1{font-size:40px;margin:0 0 12px}.hero p{color:var(--muted);font-size:18px;max-width:560px}.grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:14px;gap:14px;margin-top:28px}.feature{background:var(--panel-2);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.feature h3{margin:0 0 6px;font-size:15px}.feature p{margin:0}.feature p,label{color:var(--muted);font-size:13px}label{display:block;margin:14px 0 6px}button,input,select{font-size:15px}input{width:100%;padding:12px 14px;background:var(--panel-2);border:1px solid var(--border);color:var(--text)}.btn,input{border-radius:10px}.btn{display:inline-block;padding:12px 18px;border:none;background:var(--accent);color:#fff;cursor:pointer;font-weight:600}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.secondary{background:var(--panel-2);border:1px solid var(--border);color:var(--text)}.amounts{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}.chip{padding:10px 16px;border-radius:10px;border:1px solid var(--border);background:var(--panel-2);cursor:pointer}.chip.active{border-color:var(--accent);color:var(--accent)}.row{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--border)}.row:last-child{border-bottom:none}.muted{color:var(--muted)}.badge{padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600}.badge.ok{background:rgba(46,230,166,.15);color:var(--accent-2)}.badge.pending{background:rgba(74,134,255,.15);color:var(--accent)}.badge.fail{background:rgba(255,93,108,.15)}.badge.fail,.error{color:var(--danger)}.error{margin-top:10px}