/* Flat admin theme and mobile optimizations */
:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
  --header: #2b3036;
  --primary: #0ea5e9;
  --primary-600: #0284c7;
  --danger: #ef4444;
  --success: #10b981;
  --warning: #f59e0b;
}

* { box-sizing: border-box; }
html, body { background: var(--bg); color: var(--text); }

/* Header */
.header { background: var(--header) !important; color: #fff !important; box-shadow: none !important; }
.header .logo, .header h1 { color: #fff !important; font-weight: 600; }
.header .nav-links { display: flex; gap: 10px; flex-wrap: wrap; }
.header .nav-links a { color: #fff !important; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12); padding: 8px 12px; border-radius: 8px; text-decoration: none; }
.header .nav-links a:hover { background: rgba(255,255,255,0.16); }

/* Container & card */
.container { max-width: 1200px; margin: 20px auto; padding: 0 16px; }
.card { background: var(--surface) !important; border: 1px solid var(--border) !important; border-radius: 10px !important; box-shadow: none !important; padding: 16px; }
.card-header { border-bottom: 1px solid var(--border); margin-bottom: 12px; }
.card h3, .card-header h2 { color: var(--text); }

/* Buttons */
.btn { background: var(--primary); border: 1px solid var(--primary-600); color: #fff; border-radius: 8px; padding: 10px 14px; cursor: pointer; }
.btn:hover { background: var(--primary-600); }
.btn-secondary { background: #374151; border-color: #1f2937; }
.btn-danger { background: var(--danger); border-color: #dc2626; }

/* Tables */
table { width: 100%; border-collapse: collapse; }
.table-responsive { width: 100%; overflow-x: auto; }
.products-table, .table { background: var(--surface); border: 1px solid var(--border); }
.products-table th, .products-table td, .table th, .table td { border: 1px solid var(--border); padding: 10px; }
.products-table th, .table th { background: #f9fafb; color: #374151; }

/* Forms */
.form-group label { color: #374151; font-weight: 600; }
.form-control { width: 100%; border: 1px solid var(--border) !important; border-radius: 8px; padding: 10px 12px; }
.form-control:focus { outline: none; border-color: var(--primary) !important; box-shadow: 0 0 0 3px rgba(14,165,233,0.15); }

/* Alerts */
.alert { border-radius: 8px; border: 1px solid var(--border); }
.alert.success, .alert-success { background: #ecfdf5; border-color: #d1fae5; color: #065f46; }
.alert.error, .alert-error { background: #fef2f2; border-color: #fee2e2; color: #7f1d1d; }

/* Login page overrides (less aggressive to allow page-specific styles) */
body.login-page { background-color: var(--bg); }
/* Let page-level styles control login-container background/blur; keep minimal defaults */
.login-container { border-radius: 10px; }
.login-btn { background: var(--primary) !important; border: 1px solid var(--primary-600) !important; border-radius: 8px !important; }
.login-btn:hover { background: var(--primary-600) !important; }
.login-header h1 { color: var(--text) !important; }

/* Mobile optimizations */
@media (max-width: 768px) {
  .container { margin: 12px auto; padding: 0 12px; }
  .header { padding: 12px 0 !important; }
  .header .nav-links a { padding: 6px 10px; border-radius: 6px; }
  .card { padding: 12px; }
  .btn { padding: 10px 12px; border-radius: 6px; }
  .table-responsive { -webkit-overflow-scrolling: touch; }
}

/* Small utility */
.muted { color: var(--muted); }