/* DR RAFIUL ALOM */
:root {
  --primary: #4f46e5;
  --primary-dark: #4338ca;
  --bg: #f1f5f9;
  --card: #ffffff;
  --border: #e2e8f0;
  --text: #1e293b;
  --muted: #64748b;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --radius: 6px;
}
* { box-sizing: border-box; }
body { margin:0; background:var(--bg); color:var(--text); font-family:-apple-system,'Segoe UI',Roboto,sans-serif; }
a { text-decoration:none; color:inherit; }
.container { max-width:1100px; margin:0 auto; padding:0 16px; }
.topbar { background:#fff; border-bottom:1px solid var(--border); padding:14px 20px; display:flex; align-items:center; justify-content:space-between; position:sticky; top:0; z-index:10; }
.brand { font-weight:800; font-size:18px; color:var(--primary); }
.pill { background:#eef2ff; color:var(--primary); border-radius:999px; padding:6px 14px; font-weight:700; font-size:13px; }
.layout { display:flex; min-height:calc(100vh - 57px); }
.sidebar { width:220px; background:#fff; border-right:1px solid var(--border); flex-shrink:0; }
.sidebar a { display:block; padding:12px 20px; font-size:14px; font-weight:600; color:var(--muted); border-bottom:1px solid #f1f5f9; }
.sidebar a:hover, .sidebar a.active { background:#eef2ff; color:var(--primary); }
.main { flex:1; padding:24px; min-width:0; }
@media (max-width:768px) { .layout { flex-direction:column; } .sidebar { width:100%; display:flex; overflow-x:auto; } .sidebar a { white-space:nowrap; } }
.card { background:var(--card); border:1px solid var(--border); border-radius:var(--radius); padding:20px; margin-bottom:16px; box-shadow:0 1px 3px rgba(0,0,0,0.03); }
.card-title { font-weight:700; font-size:15px; margin-bottom:14px; color:var(--text); }
.stat-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:12px; }
@media (min-width:768px) { .stat-grid { grid-template-columns:repeat(4,1fr); } }
.stat-card { background:var(--card); border:1px solid var(--border); border-radius:var(--radius); padding:16px; text-align:center; }
.stat-value { font-size:22px; font-weight:800; color:var(--primary); }
.stat-label { font-size:12px; color:var(--muted); margin-top:4px; }
label { display:block; font-weight:600; font-size:13px; margin-bottom:6px; }
input, select, textarea { width:100%; padding:10px 12px; border:1px solid var(--border); border-radius:var(--radius); margin-bottom:14px; font-size:14px; background:#fff; }
input:focus, select:focus, textarea:focus { outline:none; border-color:var(--primary); }
.btn { display:inline-flex; align-items:center; justify-content:center; padding:11px 18px; border-radius:var(--radius); font-weight:700; font-size:14px; border:none; cursor:pointer; width:100%; }
.btn-primary { background:var(--primary); color:#fff; }
.btn-primary:hover { background:var(--primary-dark); }
.btn-outline { background:#fff; border:1px solid var(--border); color:var(--text); }
.btn-danger { background:var(--danger); color:#fff; }
.btn-sm { width:auto; padding:7px 12px; font-size:12px; }
.grid-2 { display:grid; grid-template-columns:1fr; gap:10px; }
@media (min-width:600px) { .grid-2 { grid-template-columns:1fr 1fr; } }
.alert { padding:12px 16px; border-radius:var(--radius); margin-bottom:14px; font-size:14px; }
.alert-success { background:#ecfdf5; color:#047857; }
.alert-error { background:#fef2f2; color:#b91c1c; }
.badge { display:inline-block; padding:4px 10px; border-radius:999px; font-size:11px; font-weight:700; }
.badge-pending { background:#eef2ff; color:var(--primary); }
.badge-processing { background:#e0f2fe; color:#0369a1; }
.badge-completed { background:#ecfdf5; color:var(--success); }
.badge-cancelled { background:#fef2f2; color:var(--danger); }
.badge-refunded { background:#f5f3ff; color:#7c3aed; }
.badge-failed { background:#fef2f2; color:var(--danger); }
.table-wrap { overflow-x:auto; border:1px solid var(--border); border-radius:var(--radius); }
table { width:100%; border-collapse:collapse; min-width:600px; }
th, td { padding:11px 14px; text-align:left; border-bottom:1px solid var(--border); font-size:13px; }
th { background:#f8fafc; font-weight:700; color:var(--muted); }
tr:last-child td { border-bottom:none; }
.auth-wrap { min-height:100vh; display:flex; align-items:center; justify-content:center; padding:20px; }
.auth-card { max-width:380px; width:100%; background:#fff; border:1px solid var(--border); border-radius:var(--radius); padding:28px 24px; box-shadow:0 4px 14px rgba(0,0,0,0.04); }
.auth-card h1 { font-size:19px; margin-top:0; text-align:center; }
.auth-links { text-align:center; margin-top:12px; font-size:13px; color:var(--muted); }
.auth-links a { color:var(--primary); font-weight:700; }
.empty { text-align:center; padding:30px; color:var(--muted); font-size:14px; }
.receipt { max-width:400px; margin:0 auto; text-align:center; }
.status-icon { width:56px; height:56px; border-radius:50%; display:flex; align-items:center; justify-content:center; margin:0 auto 16px; }
.status-ok { background:#ecfdf5; color:var(--success); }
.status-bad { background:#fef2f2; color:var(--danger); }