:root{--brand:#0a66ff;--bg:#f5f7fb;--text:#0b0c0f;--muted:#667085;--card:#ffffff;--border:#e4e7ec}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:16px;line-height:1.5}
.container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.card{width:100%;max-width:520px;background:var(--card);border-radius:18px;box-shadow:0 12px 36px rgba(0,0,0,.08);padding:28px}
.brand{font-weight:800;font-size:32px;text-align:center;margin-bottom:10px;letter-spacing:.4px}
.tabs{display:flex;gap:8px;justify-content:center;margin:12px 0 20px}
.tab{flex:1;max-width:200px;border:1px solid var(--border);background:#fafafa;border-radius:28px;padding:10px 14px;font-weight:700;font-size:15px}
.tab.active{background:var(--brand);color:#fff;border-color:var(--brand)}
.form{display:none;flex-direction:column;gap:12px}
.form.active{display:flex}
input{width:100%;padding:14px 16px;border:1px solid var(--border);border-radius:14px;font-size:18px}
.primary{width:100%;padding:14px 16px;border:none;border-radius:28px;background:var(--brand);color:#fff;font-weight:800;font-size:16px}
.error{color:#e11d48;margin-top:8px;text-align:center;min-height:20px}
.foot{display:flex;justify-content:center;margin-top:8px}
.nav{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;background:var(--brand);color:#fff}
.nav .brandline{font-weight:800;font-size:20px;letter-spacing:.4px}
.nav .user{opacity:.95;font-weight:700}
.dashboard{max-width:1200px;margin:0 auto;padding:24px}
.hero{display:grid;grid-template-columns:1.2fr .8fr;gap:16px}
.card-lg{background:var(--card);border:1px solid var(--border);border-radius:18px;box-shadow:0 10px 32px rgba(0,0,0,.06);padding:22px}
.balance{font-size:44px;font-weight:900;color:var(--brand)}
.sub{color:var(--muted);font-size:14px}
.status{font-weight:700}
.badge{display:inline-block;padding:4px 8px;border-radius:999px;font-size:12px;font-weight:700;border:1px solid var(--border);background:#fafafa;margin-top:6px}
.badge.ok{color:#12b76a;border-color:#12b76a;background:#ebffef}
.badge.warn{color:#f59e0b;border-color:#f59e0b;background:#fff7e6}
.inline-actions{display:flex;gap:8px;margin-top:8px;align-items:center}
.inline-actions .btn{padding:8px 10px;border-radius:12px}
.detail-row{display:flex;justify-content:space-between;align-items:center;margin-top:6px}
.detail-row .value{font-weight:800}
.quick-actions{display:flex;gap:12px;margin-top:12px}
.btn{padding:12px 16px;border-radius:14px;border:1px solid var(--border);background:#fff;font-weight:700}
.btn.primary{background:var(--brand);color:#fff;border-color:var(--brand)}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px}
.panel{background:var(--card);border-radius:18px;border:1px solid var(--border);padding:20px;box-shadow:0 8px 24px rgba(0,0,0,.06)}
.panel h2{margin:0 0 12px;font-size:22px}
.panel .desc{color:var(--muted);font-size:14px;margin-bottom:10px}
.receipt{margin-top:12px}
.history{margin-top:8px}
.history-item{display:flex;justify-content:space-between;border-bottom:1px solid var(--border);padding:12px 0;font-size:15px}
.amount-positive{color:#12b76a;font-weight:700}
.amount-negative{color:#ef4444;font-weight:700}
.form-row{display:flex;gap:10px}
.form-row input{flex:1}
.dash-tabs{display:flex;gap:8px;justify-content:center;background:var(--card);border-bottom:1px solid var(--border);padding:12px}
.dash-tabs .tab{flex:1;max-width:220px}
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);display:flex;align-items:center;justify-content:center;padding:20px;z-index:1000}
.modal-card{background:#fff;border-radius:16px;border:1px solid var(--border);box-shadow:0 12px 36px rgba(0,0,0,.12);max-width:520px;width:100%;padding:20px}
@media (max-width:640px){
  .container{padding:12px}
  .card{max-width:100%;padding:20px;border-radius:16px}
  .brand{font-size:26px}
  .nav{padding:14px 16px}
  .nav .brandline{font-size:18px}
  .nav .user{font-size:14px}
  .dashboard{padding:14px}
  .hero{grid-template-columns:1fr}
  .grid{grid-template-columns:1fr}
  .balance{font-size:34px}
  .panel{padding:16px}
  .form-row{flex-direction:column}
  .btn{width:100%}
}