/* Traffic Shield Control Panel — Gold & Black Enterprise Theme */

:root {
  --gold-50: #fdf8e8;
  --gold-100: #f9ecc3;
  --gold-200: #f3d98a;
  --gold-300: #e8c14d;
  --gold-400: #d4a828;
  --gold-500: #c89b1f;
  --gold-600: #a67a14;
  --gold-700: #7d5b0f;
  --gold-800: #5a420d;
  --gold-900: #3d2d0a;
  --black-50: #f5f5f5;
  --black-100: #e0e0e0;
  --black-200: #bdbdbd;
  --black-300: #9e9e9e;
  --black-400: #757575;
  --black-500: #616161;
  --black-600: #424242;
  --black-700: #2d2d2d;
  --black-800: #1a1a1a;
  --black-900: #0d0d0d;
  --black-950: #050505;
  --green-500: #22c55e;
  --red-500: #ef4444;
  --amber-500: #f59e0b;
  --blue-500: #3b82f6;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; background: var(--black-950); color: var(--black-100); line-height: 1.6; }
a { color: var(--gold-400); text-decoration: none; }
a:hover { color: var(--gold-300); }

/* Layout */
.app-layout { display: flex; min-height: 100vh; }
.sidebar { width: 260px; background: var(--black-900); border-right: 1px solid var(--black-800); display: flex; flex-direction: column; position: fixed; height: 100vh; z-index: 50; }
.sidebar-header { padding: 1.5rem; border-bottom: 1px solid var(--black-800); }
.sidebar-logo { font-size: 1.25rem; font-weight: 700; color: var(--gold-400); letter-spacing: 0.05em; }
.sidebar-logo span { color: var(--black-300); font-weight: 400; }
.sidebar-nav { flex: 1; padding: 1rem 0; overflow-y: auto; }
.nav-section { padding: 0.5rem 1.5rem; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--black-500); margin-top: 1rem; }
.nav-item { display: flex; align-items: center; gap: 0.75rem; padding: 0.625rem 1.5rem; color: var(--black-300); font-size: 0.875rem; transition: all 0.15s; }
.nav-item:hover { background: var(--black-800); color: var(--gold-400); }
.nav-item.active { background: rgba(200,155,31,0.1); color: var(--gold-400); border-right: 3px solid var(--gold-400); }
.nav-icon { width: 20px; height: 20px; opacity: 0.7; }
.nav-item.active .nav-icon { opacity: 1; }
.sidebar-footer { padding: 1rem 1.5rem; border-top: 1px solid var(--black-800); font-size: 0.8rem; color: var(--black-500); }
.main-content { margin-left: 260px; flex: 1; padding: 2rem; min-height: 100vh; }

/* Top bar */
.top-bar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 2rem; }
.top-bar h1 { font-size: 1.5rem; font-weight: 600; color: var(--black-50); }
.top-bar-actions { display: flex; gap: 0.75rem; align-items: center; }

/* Cards */
.card { background: var(--black-900); border: 1px solid var(--black-800); border-radius: 12px; padding: 1.5rem; }
.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.card-title { font-size: 1rem; font-weight: 600; color: var(--black-100); }
.card-subtitle { font-size: 0.8rem; color: var(--black-400); }

/* Stat cards */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; margin-bottom: 2rem; }
.stat-card { background: var(--black-900); border: 1px solid var(--black-800); border-radius: 12px; padding: 1.25rem; }
.stat-label { font-size: 0.75rem; color: var(--black-400); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.5rem; }
.stat-value { font-size: 2rem; font-weight: 700; color: var(--gold-400); }
.stat-change { font-size: 0.75rem; margin-top: 0.25rem; }
.stat-change.positive { color: var(--green-500); }
.stat-change.negative { color: var(--red-500); }

/* Tables */
.table-container { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead th { background: var(--black-800); color: var(--black-300); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; padding: 0.75rem 1rem; text-align: left; font-weight: 600; }
tbody td { padding: 0.75rem 1rem; border-bottom: 1px solid var(--black-800); font-size: 0.875rem; color: var(--black-200); }
tbody tr:hover { background: rgba(200,155,31,0.03); }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.5rem 1rem; border-radius: 8px; font-size: 0.875rem; font-weight: 500; border: none; cursor: pointer; transition: all 0.15s; text-decoration: none; }
.btn-primary { background: var(--gold-500); color: var(--black-950); }
.btn-primary:hover { background: var(--gold-400); color: var(--black-950); }
.btn-secondary { background: var(--black-700); color: var(--black-200); border: 1px solid var(--black-600); }
.btn-secondary:hover { background: var(--black-600); color: var(--black-100); }
.btn-danger { background: rgba(239,68,68,0.1); color: var(--red-500); border: 1px solid rgba(239,68,68,0.2); }
.btn-danger:hover { background: rgba(239,68,68,0.2); }
.btn-success { background: rgba(34,197,94,0.1); color: var(--green-500); border: 1px solid rgba(34,197,94,0.2); }
.btn-success:hover { background: rgba(34,197,94,0.2); }
.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.8rem; }

/* Forms */
.form-group { margin-bottom: 1rem; }
.form-label { display: block; font-size: 0.8rem; font-weight: 500; color: var(--black-300); margin-bottom: 0.375rem; }
.form-input, .form-select, .form-textarea { width: 100%; padding: 0.625rem 0.875rem; background: var(--black-800); border: 1px solid var(--black-700); border-radius: 8px; color: var(--black-100); font-size: 0.875rem; transition: border-color 0.15s; }
.form-input:focus, .form-select:focus, .form-textarea:focus { outline: none; border-color: var(--gold-500); box-shadow: 0 0 0 3px rgba(200,155,31,0.1); }
.form-textarea { min-height: 80px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* Badges */
.badge { display: inline-flex; align-items: center; padding: 0.2rem 0.625rem; border-radius: 20px; font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em; }
.badge-active { background: rgba(34,197,94,0.15); color: var(--green-500); }
.badge-revoked { background: rgba(239,68,68,0.15); color: var(--red-500); }
.badge-pending { background: rgba(245,158,11,0.15); color: var(--amber-500); }
.badge-approved { background: rgba(34,197,94,0.15); color: var(--green-500); }
.badge-rejected { background: rgba(239,68,68,0.15); color: var(--red-500); }
.badge-expired { background: rgba(239,68,68,0.15); color: var(--red-500); }
.badge-info { background: rgba(59,130,246,0.15); color: var(--blue-500); }
.badge-warning { background: rgba(245,158,11,0.15); color: var(--amber-500); }
.badge-critical { background: rgba(239,68,68,0.15); color: var(--red-500); }

/* Modal */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 100; align-items: center; justify-content: center; }
.modal-overlay.active { display: flex; }
.modal { background: var(--black-900); border: 1px solid var(--black-700); border-radius: 12px; padding: 1.5rem; max-width: 480px; width: 90%; max-height: 80vh; overflow-y: auto; }
.modal-title { font-size: 1.125rem; font-weight: 600; color: var(--black-50); margin-bottom: 1rem; }
.modal-actions { display: flex; gap: 0.75rem; justify-content: flex-end; margin-top: 1.5rem; }

/* Alert */
.alert { padding: 0.75rem 1rem; border-radius: 8px; margin-bottom: 1rem; font-size: 0.875rem; }
.alert-error { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.2); color: var(--red-500); }
.alert-success { background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.2); color: var(--green-500); }
.alert-info { background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.2); color: var(--blue-500); }

/* Tabs */
.tabs { display: flex; gap: 0; border-bottom: 1px solid var(--black-800); margin-bottom: 1.5rem; }
.tab { padding: 0.75rem 1.25rem; font-size: 0.875rem; color: var(--black-400); cursor: pointer; border-bottom: 2px solid transparent; transition: all 0.15s; }
.tab:hover { color: var(--gold-400); }
.tab.active { color: var(--gold-400); border-bottom-color: var(--gold-400); }

/* Empty state */
.empty-state { text-align: center; padding: 3rem 1rem; color: var(--black-500); }
.empty-state-icon { font-size: 3rem; margin-bottom: 1rem; }
.empty-state-text { font-size: 0.9rem; }

/* Login page */
.login-container { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: var(--black-950); }
.login-card { background: var(--black-900); border: 1px solid var(--black-800); border-radius: 16px; padding: 2.5rem; width: 100%; max-width: 420px; }
.login-header { text-align: center; margin-bottom: 2rem; }
.login-logo { font-size: 1.5rem; font-weight: 700; color: var(--gold-400); }
.login-subtitle { font-size: 0.85rem; color: var(--black-400); margin-top: 0.5rem; }

/* Progress bar */
.progress { height: 6px; background: var(--black-800); border-radius: 3px; overflow: hidden; }
.progress-bar { height: 100%; background: var(--gold-500); border-radius: 3px; transition: width 0.3s; }

/* Token display */
.token-display { background: var(--black-800); border: 1px dashed var(--gold-600); border-radius: 8px; padding: 1rem; font-family: 'Fira Code', monospace; font-size: 0.9rem; color: var(--gold-300); text-align: center; word-break: break-all; margin: 0.5rem 0; }

/* Responsive */
@media (max-width: 768px) {
  .sidebar { display: none; }
  .main-content { margin-left: 0; }
  .form-row { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
}