/* ============================================================
   AI Toll & Lease Collection Monitoring System
   Government-Grade Dark Dashboard Theme
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ── Variables ─────────────────────────────────────────── */
:root {
  --sidebar-bg:      #0b1120;
  --sidebar-active:  #1a3a6e;
  --body-bg:         #0f172a;
  --card-bg:         #1e293b;
  --card-border:     rgba(255,255,255,0.06);
  --primary:         #2563eb;
  --primary-light:   #3b82f6;
  --primary-glow:    rgba(37,99,235,0.25);
  --success:         #10b981;
  --danger:          #ef4444;
  --warning:         #f59e0b;
  --info:            #06b6d4;
  --text-primary:    #f1f5f9;
  --text-secondary:  #94a3b8;
  --text-muted:      #64748b;
  --border:          rgba(255,255,255,0.08);
  --shadow:          0 4px 24px rgba(0,0,0,0.45);
  --sidebar-w:       260px;
  --header-h:        64px;
  --radius:          12px;
  --radius-sm:       8px;
  --transition:      all 0.25s cubic-bezier(0.4,0,0.2,1);
}

/* ── Reset & Base ───────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--body-bg);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.6;
  overflow-x: hidden;
}
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--sidebar-bg); }
::-webkit-scrollbar-thumb { background: #334155; border-radius: 3px; }

/* ── Layout ─────────────────────────────────────────────── */
.app-wrapper {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ─────────────────────────────────────────────── */
#sidebar {
  width: var(--sidebar-w);
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 1000;
  border-right: 1px solid var(--border);
  transition: var(--transition);
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar-brand {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}
.sidebar-brand .brand-icon {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--primary) 0%, #1d4ed8 100%);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  box-shadow: 0 4px 12px var(--primary-glow);
  flex-shrink: 0;
}
.sidebar-brand .brand-text h5 {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}
.sidebar-brand .brand-text span {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.sidebar-section-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-muted);
  padding: 20px 20px 8px;
}

.nav-menu { list-style: none; padding: 8px 12px; }
.nav-menu li { margin-bottom: 2px; }
.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}
.nav-link i { font-size: 16px; flex-shrink: 0; width: 20px; }
.nav-link:hover {
  background: rgba(255,255,255,0.06);
  color: var(--text-primary);
}
.nav-link.active {
  background: linear-gradient(135deg, rgba(37,99,235,0.3), rgba(29,78,216,0.15));
  color: #60a5fa;
  border-left: 3px solid var(--primary-light);
}
.nav-link .badge-pill {
  margin-left: auto;
  background: var(--danger);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 20px;
  animation: pulse-badge 1.5s ease infinite;
}

@keyframes pulse-badge {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.sidebar-footer {
  margin-top: auto;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.sidebar-footer .user-avatar {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, #7c3aed, #4f46e5);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700;
  flex-shrink: 0;
}
.sidebar-footer .user-info h6 { font-size: 12px; font-weight: 600; color: var(--text-primary); }
.sidebar-footer .user-info small { font-size: 10px; color: var(--text-muted); }

/* ── Main Content ────────────────────────────────────────── */
#main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Top Header ──────────────────────────────────────────── */
#topbar {
  height: var(--header-h);
  background: rgba(15,23,42,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 900;
}

.topbar-left h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
}
.topbar-left span {
  font-size: 12px;
  color: var(--text-muted);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.system-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--success);
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.2);
  padding: 5px 12px;
  border-radius: 20px;
}
.status-dot {
  width: 7px; height: 7px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse-dot 1.5s ease infinite;
}
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(16,185,129,0.5); }
  50% { box-shadow: 0 0 0 5px rgba(16,185,129,0); }
}

.topbar-clock {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--card-bg);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-variant-numeric: tabular-nums;
}

.btn-icon {
  width: 36px; height: 36px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  font-size: 16px;
  position: relative;
}
.btn-icon:hover { background: rgba(255,255,255,0.08); color: var(--text-primary); }
.btn-icon .notif-dot {
  position: absolute;
  top: 6px; right: 6px;
  width: 7px; height: 7px;
  background: var(--danger);
  border-radius: 50%;
  border: 1.5px solid var(--body-bg);
}

/* ── Page Content ────────────────────────────────────────── */
.page-content {
  padding: 24px 28px;
  flex: 1;
}

.page-section { display: none; }
.page-section.active { display: block; }

.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.section-title h5 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}
.section-title h5 i { color: var(--primary-light); }

/* ── Cards ───────────────────────────────────────────────── */
.glass-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.glass-card:hover {
  border-color: rgba(255,255,255,0.12);
  transform: translateY(-1px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}
.glass-card .card-header-custom {
  padding: 16px 20px 12px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.glass-card .card-header-custom h6 {
  font-size: 13px; font-weight: 600; color: var(--text-primary);
  display: flex; align-items: center; gap: 8px;
}
.glass-card .card-body-custom { padding: 20px; }

/* ── Stat Cards ──────────────────────────────────────────── */
.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  cursor: default;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--stat-color, var(--primary));
}
.stat-card:hover {
  border-color: rgba(255,255,255,0.14);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.4);
}
.stat-card .stat-icon {
  width: 48px; height: 48px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  background: var(--stat-icon-bg, rgba(37,99,235,0.15));
  color: var(--stat-color, var(--primary-light));
  flex-shrink: 0;
}
.stat-card .stat-info { flex: 1; padding-right: 12px; }
.stat-card .stat-label {
  font-size: 11.5px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  font-weight: 500;
  margin-bottom: 6px;
}
.stat-card .stat-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-card .stat-change {
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.stat-card .stat-change.up { color: var(--success); }
.stat-card .stat-change.down { color: var(--danger); }
.stat-card .stat-glow {
  position: absolute;
  bottom: -20px; right: -20px;
  width: 90px; height: 90px;
  border-radius: 50%;
  background: var(--stat-color, var(--primary));
  opacity: 0.04;
}

/* ── Live Camera Feed ────────────────────────────────────── */
.camera-feed {
  position: relative;
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 16/9;
}
.camera-feed img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: opacity 0.5s ease;
}
.camera-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
}
.camera-hud-top {
  position: absolute;
  top: 10px; left: 10px; right: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.cam-badge {
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}
.cam-badge.live { color: #f87171; }
.cam-live-dot {
  width: 7px; height: 7px;
  background: #ef4444;
  border-radius: 50%;
  animation: blink 1s ease infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.2; } }

.camera-hud-bottom {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 30px 10px 10px;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}
.detection-box {
  position: absolute;
  border: 2px solid #22c55e;
  border-radius: 4px;
  box-shadow: 0 0 10px rgba(34,197,94,0.5);
  animation: detect-pulse 2s ease infinite;
}
@keyframes detect-pulse {
  0%, 100% { box-shadow: 0 0 6px rgba(34,197,94,0.4); }
  50% { box-shadow: 0 0 16px rgba(34,197,94,0.8); }
}
.detection-label {
  position: absolute;
  top: -20px; left: 0;
  background: #22c55e;
  color: #000;
  font-size: 9px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 3px 3px 0 0;
  white-space: nowrap;
}

/* ── Detection Table ─────────────────────────────────────── */
.detection-table-wrapper { overflow-x: auto; }
.detection-table {
  width: 100%;
  border-collapse: collapse;
}
.detection-table th {
  background: rgba(255,255,255,0.03);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.detection-table td {
  padding: 10px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  font-size: 13px;
  color: var(--text-secondary);
  vertical-align: middle;
}
.detection-table tr:hover td { background: rgba(255,255,255,0.03); }
.detection-table tr.new-row { animation: slideIn 0.4s ease; }
@keyframes slideIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}
.vehicle-thumb {
  width: 52px; height: 36px;
  object-fit: cover;
  border-radius: 5px;
  border: 1px solid var(--border);
}
.plate-badge {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--text-primary);
  font-family: 'Courier New', monospace;
  font-size: 12px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 5px;
  letter-spacing: 1px;
}
.type-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11.5px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
}

/* ── Charts ──────────────────────────────────────────────── */
.chart-container { position: relative; }

/* ── Fraud Cards ─────────────────────────────────────────── */
.fraud-alert-banner {
  background: linear-gradient(135deg, rgba(239,68,68,0.15), rgba(239,68,68,0.05));
  border: 1px solid rgba(239,68,68,0.4);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  animation: fraud-glow 2s ease infinite;
}
@keyframes fraud-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(239,68,68,0); }
  50% { box-shadow: 0 0 20px rgba(239,68,68,0.2); }
}
.fraud-alert-banner .alert-icon {
  width: 46px; height: 46px;
  background: rgba(239,68,68,0.2);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}
.fraud-alert-banner h5 { font-size: 15px; font-weight: 700; color: #f87171; margin-bottom: 2px; }
.fraud-alert-banner p { font-size: 12.5px; color: var(--text-secondary); margin: 0; }

.fraud-comparison-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.fraud-comparison-card .fc-header {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  background: rgba(255,255,255,0.04);
  padding: 10px 16px;
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.7px;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}
.fraud-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  align-items: center;
  transition: var(--transition);
}
.fraud-row:hover { background: rgba(255,255,255,0.02); }
.fraud-row .vehicle-name { font-weight: 600; color: var(--text-primary); font-size: 13px; }
.fraud-row .operator-count { color: var(--text-secondary); }
.fraud-row .ai-count { color: #60a5fa; font-weight: 600; }
.fraud-row .discrepancy { display: flex; align-items: center; gap: 6px; }
.discrepancy-badge {
  font-size: 11px; font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(239,68,68,0.15);
  color: #f87171;
  border: 1px solid rgba(239,68,68,0.2);
}
.discrepancy-badge.ok { background: rgba(16,185,129,0.1); color: #34d399; border-color: rgba(16,185,129,0.2); }

/* ── Rates Table ─────────────────────────────────────────── */
.rate-row { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
.rate-row:last-child { border-bottom: none; }
.rate-vehicle-icon { width: 36px; height: 36px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 18px; }
.rate-vehicle-name { flex: 1; font-weight: 600; color: var(--text-primary); font-size: 13.5px; }
.rate-input {
  width: 90px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  text-align: center;
  padding: 6px 10px;
  font-size: 14px;
  font-weight: 700;
  transition: var(--transition);
}
.rate-input:focus {
  outline: none;
  border-color: var(--primary-light);
  background: rgba(37,99,235,0.1);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
}
.rate-currency { color: var(--text-muted); font-size: 13px; }
.btn-save-rate {
  background: linear-gradient(135deg, var(--primary) 0%, #1d4ed8 100%);
  border: none;
  color: #fff;
  padding: 8px 20px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: flex; align-items: center; gap: 6px;
}
.btn-save-rate:hover { transform: translateY(-1px); box-shadow: 0 4px 16px var(--primary-glow); }

/* ── Reports ─────────────────────────────────────────────── */
.report-type-tabs { display: flex; gap: 8px; margin-bottom: 20px; }
.report-tab {
  padding: 8px 18px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text-secondary);
  font-size: 13px; font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}
.report-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.report-tab:hover:not(.active) { border-color: var(--primary-light); color: var(--primary-light); }

.export-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px;
  border-radius: 8px;
  border: none;
  font-size: 13px; font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.export-btn:hover { transform: translateY(-1px); }
.export-pdf { background: linear-gradient(135deg, #dc2626, #b91c1c); color: #fff; }
.export-pdf:hover { box-shadow: 0 4px 14px rgba(220,38,38,0.4); }
.export-excel { background: linear-gradient(135deg, #059669, #047857); color: #fff; }
.export-excel:hover { box-shadow: 0 4px 14px rgba(5,150,105,0.4); }

/* ── Summary Stats Row ───────────────────────────────────── */
.summary-stat {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  text-align: center;
}
.summary-stat .s-value { font-size: 22px; font-weight: 800; color: var(--text-primary); }
.summary-stat .s-label { font-size: 11px; color: var(--text-muted); margin-top: 3px; text-transform: uppercase; letter-spacing: 0.6px; }

/* ── Utilities ───────────────────────────────────────────── */
.text-primary-c { color: var(--primary-light) !important; }
.text-success-c { color: var(--success) !important; }
.text-danger-c  { color: var(--danger) !important; }
.text-warning-c { color: var(--warning) !important; }
.text-muted-c   { color: var(--text-muted) !important; }
.text-secondary-c { color: var(--text-secondary) !important; }

.badge-bike    { background: rgba(99,102,241,0.15); color: #818cf8; border: 1px solid rgba(99,102,241,0.25); }
.badge-cng     { background: rgba(16,185,129,0.15); color: #34d399; border: 1px solid rgba(16,185,129,0.25); }
.badge-auto    { background: rgba(245,158,11,0.15); color: #fbbf24; border: 1px solid rgba(245,158,11,0.25); }
.badge-pickup  { background: rgba(6,182,212,0.15); color: #22d3ee; border: 1px solid rgba(6,182,212,0.25); }
.badge-bus     { background: rgba(59,130,246,0.15); color: #60a5fa; border: 1px solid rgba(59,130,246,0.25); }
.badge-truck   { background: rgba(239,68,68,0.15); color: #f87171; border: 1px solid rgba(239,68,68,0.25); }
.badge-lorry   { background: rgba(168,85,247,0.15); color: #c084fc; border: 1px solid rgba(168,85,247,0.25); }

.divider { border: none; border-top: 1px solid var(--border); margin: 4px 0; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 992px) {
  :root { --sidebar-w: 220px; }
}
@media (max-width: 768px) {
  #sidebar { transform: translateX(-100%); }
  #sidebar.mobile-open { transform: translateX(0); }
  #main-content { margin-left: 0; }
  .page-content { padding: 16px; }
  #topbar { padding: 0 16px; }
  .stat-card .stat-value { font-size: 22px; }
}

/* ── Loading Shimmer ─────────────────────────────────────── */
.shimmer {
  background: linear-gradient(90deg, var(--card-bg) 25%, rgba(255,255,255,0.06) 50%, var(--card-bg) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}
@keyframes shimmer { to { background-position: -200% 0; } }

/* ── Toast Notifications ─────────────────────────────────── */
#toast-container {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast-msg {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  display: flex; align-items: center; gap: 10px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
  animation: toastIn 0.3s ease;
  min-width: 240px;
  font-size: 13px;
}
@keyframes toastIn { from { opacity: 0; transform: translateX(30px); } }
.toast-msg.success { border-left: 3px solid var(--success); }
.toast-msg.error { border-left: 3px solid var(--danger); }
.toast-msg.info { border-left: 3px solid var(--primary-light); }