/* ═══════════════════════════════════════════════════
   CargoLens — Design System
   Inspired by Project44, Flexport, GoComet
   ═══════════════════════════════════════════════════ */

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

:root {
  /* Brand */
  --navy: #0C447C;
  --ocean: #185FA5;
  --sky: #378ADD;
  --mist: #E6F1FB;
  --surface: #F1F5F9;
  --bg: #0B1120;
  --bg-card: rgba(255,255,255,0.04);
  --bg-card-hover: rgba(255,255,255,0.07);
  --border: rgba(255,255,255,0.08);
  --border-hover: rgba(55,138,221,0.3);
  --text: #E2E8F0;
  --text-dim: #64748B;
  --text-bright: #F8FAFC;

  /* Status */
  --green: #1D9E75;
  --green-bg: rgba(29,158,117,0.12);
  --amber: #BA7517;
  --amber-bg: rgba(186,117,23,0.12);
  --red: #A32D2D;
  --red-bg: rgba(163,45,45,0.12);

  /* Glass */
  --glass: rgba(255,255,255,0.03);
  --glass-border: rgba(255,255,255,0.06);
  --glass-blur: 20px;

  /* Sizing */
  --sidebar-w: 260px;
  --header-h: 64px;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 14px; }

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ─── Background Gradient ─── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% 10%, rgba(24,95,165,0.15), transparent),
    radial-gradient(ellipse 60% 40% at 80% 90%, rgba(12,68,124,0.1), transparent);
  pointer-events: none;
  z-index: 0;
}

a { color: var(--sky); text-decoration: none; }

/* ═══════ LOGIN PAGE ═══════ */
.login-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

.login-card {
  width: 420px;
  padding: 48px 40px;
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  animation: fadeUp 0.6s var(--ease);
}

.login-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
}

.login-logo img { mix-blend-mode: lighten; }

.login-logo-icon {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--ocean), var(--sky));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #fff;
  box-shadow: 0 4px 20px rgba(55,138,221,0.3);
}

.login-logo h1 {
  font-size: 30px;
  font-weight: 700;
  color: var(--text-bright);
  letter-spacing: -0.5px;
}

.login-logo span { color: var(--sky); }

.login-subtitle {
  color: var(--text-dim);
  font-size: 13px;
  margin-bottom: 28px;
  line-height: 1.5;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-dim);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input, .form-group select {
  width: 100%;
  padding: 11px 14px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-bright);
  font-family: inherit;
  font-size: 14px;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
  outline: none;
}

.form-group input:focus, .form-group select:focus {
  border-color: var(--sky);
  box-shadow: 0 0 0 3px rgba(55,138,221,0.15);
}

.form-group input::placeholder { color: var(--text-dim); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s var(--ease);
}

.btn-primary {
  background: linear-gradient(135deg, var(--ocean), var(--sky));
  color: #fff;
  box-shadow: 0 4px 16px rgba(55,138,221,0.25);
}

/* Full-width only inside login form */
.login-card .btn-primary { width: 100%; }

/* Compact button in page headers */
.page-header .btn { width: auto; padding: 9px 18px; font-size: 12px; border-radius: 10px; }
.page-header .btn-primary {
  background: linear-gradient(135deg, var(--ocean), var(--sky));
  box-shadow: 0 2px 12px rgba(55,138,221,0.2);
}

.btn-primary:hover {
  box-shadow: 0 6px 24px rgba(55,138,221,0.4);
  transform: translateY(-1px);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-outline:hover {
  border-color: var(--sky);
  color: var(--sky);
}

.btn-sm { padding: 7px 14px; font-size: 12px; }
.btn-danger { background: var(--red); color: #fff; }
.btn-success { background: var(--green); color: #fff; }

.login-footer {
  margin-top: 20px;
  text-align: center;
  font-size: 13px;
  color: var(--text-dim);
}

.login-footer a { font-weight: 500; }

.login-error {
  background: var(--red-bg);
  border: 1px solid rgba(163,45,45,0.3);
  color: #FCA5A5;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 16px;
  display: none;
}

.login-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.login-tab {
  flex: 1;
  padding: 10px;
  text-align: center;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dim);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s var(--ease);
}

.login-tab.active {
  color: var(--sky);
  border-bottom-color: var(--sky);
}

/* ═══════ APP SHELL ═══════ */
.app-shell {
  display: flex;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

/* ─── Sidebar ─── */
.sidebar {
  width: var(--sidebar-w);
  background: rgba(255,255,255,0.02);
  backdrop-filter: blur(var(--glass-blur));
  border-right: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 100;
  transition: transform 0.3s var(--ease);
}

.sidebar-brand {
  padding: 20px 22px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--glass-border);
}

.sidebar-brand-icon {
  width: 38px; height: 38px;
  mix-blend-mode: lighten;
}

.sidebar-brand h2 {
  font-size: 23px;
  font-weight: 700;
  color: var(--text-bright);
}

.sidebar-brand span { color: var(--sky); }

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  overflow-y: auto;
}

.sidebar-section-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-dim);
  padding: 16px 12px 8px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s var(--ease);
  margin-bottom: 2px;
}

.sidebar-link:hover {
  background: var(--bg-card-hover);
  color: var(--text);
}

.sidebar-link.active {
  background: rgba(55,138,221,0.1);
  color: var(--sky);
}

.sidebar-link .icon { font-size: 18px; width: 22px; text-align: center; }

.sidebar-link .badge {
  margin-left: auto;
  background: var(--red);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 10px;
  min-width: 20px;
  text-align: center;
}

.sidebar-user {
  padding: 16px 18px;
  border-top: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ocean), var(--sky));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
}

.sidebar-user-info { flex: 1; min-width: 0; }
.sidebar-user-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-bright);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar-user-role {
  font-size: 11px;
  color: var(--text-dim);
  text-transform: capitalize;
}

.sidebar-logout {
  cursor: pointer;
  color: var(--text-dim);
  font-size: 18px;
  transition: color 0.2s;
}
.sidebar-logout:hover { color: var(--red); }

/* ─── Main Content ─── */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-w);
  padding: 28px 32px;
  min-height: 100vh;
}

/* ─── Header ─── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.page-header h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-bright);
  letter-spacing: -0.5px;
}

.page-header-sub {
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 4px;
}

/* ─── Stats Grid ─── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--bg-card);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  transition: all 0.25s var(--ease);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--ocean), var(--sky));
  opacity: 0;
  transition: opacity 0.2s;
}

.stat-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.stat-card:hover::before { opacity: 1; }

.stat-icon {
  width: 42px; height: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 14px;
}

.stat-icon.blue { background: rgba(55,138,221,0.12); color: var(--sky); }
.stat-icon.green { background: var(--green-bg); color: var(--green); }
.stat-icon.amber { background: var(--amber-bg); color: var(--amber); }
.stat-icon.red { background: var(--red-bg); color: var(--red); }

.stat-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-bright);
  letter-spacing: -1px;
  line-height: 1;
}

.stat-label {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 6px;
  font-weight: 500;
}

.stat-change {
  font-size: 11px;
  margin-top: 8px;
  font-weight: 600;
}

.stat-change.up { color: var(--green); }
.stat-change.down { color: var(--red); }

/* ─── Cards / Panels ─── */
.panel {
  background: var(--bg-card);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 24px;
  overflow: hidden;
}

.panel-header {
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.panel-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-bright);
}

.panel-body { padding: 22px; }

/* ─── Tables ─── */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.data-table td {
  padding: 14px 16px;
  font-size: 13px;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  color: var(--text);
}

.data-table tr:hover td {
  background: rgba(255,255,255,0.02);
}

.data-table .mono {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 12px;
  color: var(--sky);
}

/* ─── Badges ─── */
.badge-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}

.badge-status.on-time { background: var(--green-bg); color: var(--green); }
.badge-status.delayed { background: var(--amber-bg); color: var(--amber); }
.badge-status.critical { background: var(--red-bg); color: var(--red); }
.badge-status.pending { background: rgba(100,116,139,0.12); color: var(--text-dim); }
.badge-status.confirmed { background: rgba(55,138,221,0.12); color: var(--sky); }
.badge-status.in-transit { background: var(--green-bg); color: var(--green); }
.badge-status.arrived { background: rgba(55,138,221,0.12); color: var(--sky); }
.badge-status.cancelled { background: var(--red-bg); color: var(--red); }

.badge-role {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-role.admin { background: rgba(55,138,221,0.15); color: var(--sky); }
.badge-role.operator { background: var(--green-bg); color: var(--green); }
.badge-role.viewer { background: rgba(100,116,139,0.12); color: var(--text-dim); }

/* ─── Grid Layouts ─── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; }

/* ─── Empty State ─── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-dim);
}

.empty-state .icon { font-size: 48px; margin-bottom: 16px; opacity: 0.3; }
.empty-state h3 { font-size: 16px; color: var(--text); margin-bottom: 8px; }
.empty-state p { font-size: 13px; }

/* ─── Modal ─── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s var(--ease);
}

.modal-overlay.active { opacity: 1; pointer-events: auto; }

.modal {
  width: 480px;
  max-height: 90vh;
  background: #111827;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow-y: auto;
  transform: translateY(20px) scale(0.97);
  transition: transform 0.25s var(--ease);
}

.modal-overlay.active .modal { transform: translateY(0) scale(1); }

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 { font-size: 16px; font-weight: 600; color: var(--text-bright); }

.modal-close {
  cursor: pointer;
  color: var(--text-dim);
  font-size: 20px;
  background: none;
  border: none;
}

.modal-body { padding: 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 10px; }

/* ─── Spinner ─── */
.spinner {
  width: 20px; height: 20px;
  border: 2px solid rgba(255,255,255,0.1);
  border-top-color: var(--sky);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

/* ─── Toast ─── */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  color: #fff;
  animation: slideIn 0.3s var(--ease);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.toast.success { background: var(--green); }
.toast.error { background: var(--red); }
.toast.info { background: var(--ocean); }

/* ─── Route Indicator ─── */
.route-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
}

.route-tag .arrow { color: var(--text-dim); }

/* ─── Animations ─── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Page transitions ─── */
.page { animation: fadeUp 0.35s var(--ease); }

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; padding: 20px 16px; }
  .stats-grid { grid-template-columns: 1fr; }
  .login-card { width: 90%; padding: 32px 24px; }
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ═══════ HIDDEN UTILITY ═══════ */
.hidden { display: none !important; }

/* ═══════ SPRINT 1 — CHARTS ═══════ */
.chart-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
  margin-bottom: 28px;
}
.chart-panel {
  background: var(--bg-card);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}
.chart-panel-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 16px;
}
.chart-canvas-wrap {
  position: relative;
  height: 240px;
}
.chart-canvas-wrap canvas {
  width: 100% !important;
  height: 100% !important;
}

/* ═══════ MILESTONE TIMELINE ═══════ */
.milestone-timeline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 24px 8px 12px;
  position: relative;
  overflow-x: auto;
}
.milestone-timeline::before {
  content: '';
  position: absolute;
  top: 38px;
  left: 36px;
  right: 36px;
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  z-index: 0;
}
.milestone-progress-bar {
  position: absolute;
  top: 38px;
  left: 36px;
  height: 3px;
  background: linear-gradient(90deg, var(--green), var(--sky));
  border-radius: 2px;
  z-index: 1;
  transition: width 0.6s var(--ease);
}
.milestone-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
  min-width: 58px;
  cursor: default;
}
.milestone-dot {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 3px solid var(--border);
  background: var(--bg);
  transition: all 0.3s var(--ease);
  position: relative;
}
.milestone-step.completed .milestone-dot {
  border-color: var(--green);
  background: var(--green);
  box-shadow: 0 0 10px rgba(29,158,117,0.4);
}
.milestone-step.completed .milestone-dot::after {
  content: '✓';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 10px;
  font-weight: 700;
}
.milestone-step.current .milestone-dot {
  border-color: var(--sky);
  background: var(--sky);
  box-shadow: 0 0 14px rgba(55,138,221,0.5);
  animation: milestonePulse 2s ease-in-out infinite;
}
.milestone-step.current .milestone-dot::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--sky);
  animation: milestoneRing 2s ease-in-out infinite;
}
.milestone-code {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--text-dim);
  transition: color 0.3s;
}
.milestone-step.completed .milestone-code,
.milestone-step.current .milestone-code { color: var(--text-bright); }
.milestone-name {
  font-size: 9px;
  color: var(--text-dim);
  text-align: center;
  max-width: 72px;
  line-height: 1.3;
}
.milestone-step.completed .milestone-name { color: var(--text); }
.milestone-date {
  font-size: 8px;
  color: var(--text-dim);
  opacity: .6;
}

@keyframes milestonePulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}
@keyframes milestoneRing {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0; transform: scale(1.6); }
}

/* ═══════ BOOKING DETAIL ═══════ */
.booking-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
}
.booking-detail-item {
  padding: 10px 14px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.booking-detail-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
  margin-bottom: 4px;
}
.booking-detail-value {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-bright);
}
.booking-detail-route {
  grid-column: 1 / -1;
  text-align: center;
  padding: 16px;
  background: rgba(55,138,221,0.06);
  border: 1px solid rgba(55,138,221,0.15);
  border-radius: var(--radius-sm);
}
.booking-detail-route .ports {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 6px;
}
.booking-detail-route .ports .arrow {
  color: var(--sky);
  font-size: 16px;
}
.booking-detail-section {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-bright);
  margin: 16px 0 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}

/* ═══════ SEARCH/FILTER BAR ═══════ */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.filter-bar input[type="text"],
.filter-bar input[type="search"] {
  flex: 1;
  min-width: 200px;
  padding: 9px 14px 9px 36px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-bright);
  font-family: inherit;
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%2364748B' viewBox='0 0 24 24' width='16' height='16'%3E%3Cpath d='M15.5 14h-.79l-.28-.27A6.47 6.47 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 12px center;
}
.filter-bar input:focus { border-color: var(--sky); }
.filter-bar select {
  padding: 9px 12px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 12px;
  outline: none;
}
.filter-bar select:focus { border-color: var(--sky); }

/* ═══════ CLICKABLE ROW ═══════ */
.data-table tr.clickable-row { cursor: pointer; }
.data-table tr.clickable-row:hover td {
  background: rgba(55,138,221,0.06);
}

/* ═══════ WIDE MODAL ═══════ */
.modal-overlay.active .modal.modal-wide {
  width: 680px;
  max-width: 90vw;
}

@media (max-width: 1024px) {
  .chart-grid { grid-template-columns: 1fr; }
}

/* ═══════ LIGHT THEME ═══════ */
[data-theme="light"] {
  --bg: #F5F7FA;
  --bg-card: rgba(255,255,255,0.85);
  --bg-card-hover: rgba(255,255,255,0.95);
  --border: rgba(0,0,0,0.08);
  --border-hover: rgba(55,138,221,0.3);
  --text: #334155;
  --text-dim: #64748B;
  --text-bright: #0F172A;
  --glass: rgba(255,255,255,0.7);
  --glass-border: rgba(0,0,0,0.06);
}

[data-theme="light"] body { background: var(--bg); color: var(--text); }
[data-theme="light"] body::before {
  background:
    radial-gradient(ellipse 80% 50% at 20% 10%, rgba(55,138,221,0.08), transparent),
    radial-gradient(ellipse 60% 40% at 80% 90%, rgba(29,158,117,0.05), transparent);
}
[data-theme="light"] .sidebar { background: rgba(255,255,255,0.9); border-right-color: rgba(0,0,0,0.06); }
[data-theme="light"] .login-card { background: rgba(255,255,255,0.9); }
[data-theme="light"] .modal { background: #fff; }
[data-theme="light"] .stat-card { background: rgba(255,255,255,0.85); box-shadow: 0 1px 3px rgba(0,0,0,0.06); }
[data-theme="light"] .panel { background: rgba(255,255,255,0.85); box-shadow: 0 1px 3px rgba(0,0,0,0.06); }
[data-theme="light"] .chart-panel { background: rgba(255,255,255,0.85); box-shadow: 0 1px 3px rgba(0,0,0,0.06); }
[data-theme="light"] .form-group input,
[data-theme="light"] .form-group select { background: rgba(0,0,0,0.03); color: #0F172A; border-color: rgba(0,0,0,0.1); }
[data-theme="light"] .data-table td { border-bottom-color: rgba(0,0,0,0.04); color: #334155; }
[data-theme="light"] .data-table tr:hover td { background: rgba(55,138,221,0.04); }
[data-theme="light"] .toast.success { background: #059669; }
[data-theme="light"] .toast.error { background: #DC2626; }
[data-theme="light"] .toast.info { background: #2563EB; }

/* ═══════ HAMBURGER MENU (MOBILE) ═══════ */
.hamburger-btn {
  display: none;
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 200;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--text);
}

@media (max-width: 768px) {
  .hamburger-btn { display: flex; }
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); box-shadow: 4px 0 24px rgba(0,0,0,0.4); }
  .main-content { margin-left: 0; padding: 70px 16px 20px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .login-card { width: 92%; padding: 32px 20px; }
  .modal { width: 95vw !important; max-width: 95vw !important; }
  .data-table { display: block; overflow-x: auto; white-space: nowrap; }
  .booking-detail-grid { grid-template-columns: 1fr; }
  .chart-grid { grid-template-columns: 1fr; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .filter-bar { flex-direction: column; }
  .filter-bar input[type="search"] { width: 100%; min-width: auto; }
}

/* ═══════ LEAFLET OVERRIDES ═══════ */
.leaflet-container { background: var(--bg) !important; border-radius: var(--radius); }
.leaflet-popup-content-wrapper { background: #111827; color: var(--text); border: 1px solid var(--border); border-radius: 8px; }
.leaflet-popup-tip { background: #111827; }
[data-theme="light"] .leaflet-popup-content-wrapper { background: #fff; color: #334155; }
[data-theme="light"] .leaflet-popup-tip { background: #fff; }

/* ═══ Document Management ═══ */
.modal-tabs { display: flex; gap: 4px; margin-bottom: 16px; border-bottom: 1px solid var(--border); padding-bottom: 0; }
.modal-tab { background: none; border: none; color: var(--text-dim); font-size: 13px; font-weight: 500; padding: 8px 16px; cursor: pointer; border-bottom: 2px solid transparent; transition: all .2s; font-family: inherit; }
.modal-tab:hover { color: var(--text); }
.modal-tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.doc-count-badge { background: var(--accent); color: #fff; font-size: 10px; font-weight: 700; padding: 1px 6px; border-radius: 10px; margin-left: 4px; }

.doc-upload-area {
  border: 2px dashed var(--border); border-radius: 12px; padding: 24px; text-align: center;
  transition: all .3s; cursor: pointer; margin-bottom: 16px;
}
.doc-upload-area:hover, .doc-upload-area.drag-over {
  border-color: var(--accent); background: rgba(55, 138, 221, 0.05);
}
.doc-upload-area.drag-over { transform: scale(1.01); }
.doc-upload-area p { margin: 4px 0; font-size: 13px; color: var(--text-dim); }

.doc-list { display: flex; flex-direction: column; gap: 8px; }
.doc-row {
  display: flex; align-items: center; gap: 12px; padding: 10px 14px;
  background: rgba(255,255,255,.03); border: 1px solid var(--border); border-radius: 8px;
  transition: background .2s;
}
.doc-row:hover { background: rgba(255,255,255,.06); }
.doc-icon { font-size: 20px; flex-shrink: 0; }
.doc-info { flex: 1; min-width: 0; }
.doc-name { font-size: 13px; font-weight: 500; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.doc-meta { font-size: 11px; color: var(--text-dim); margin-top: 2px; }
.doc-actions { display: flex; gap: 6px; flex-shrink: 0; }
.empty-docs { text-align: center; padding: 32px 0; }

[data-theme="light"] .doc-row { background: rgba(0,0,0,.02); }
[data-theme="light"] .doc-row:hover { background: rgba(0,0,0,.04); }

/* ═══ Excel Import Preview ═══ */
.excel-preview-wrap { margin-top: 16px; }
.excel-preview-table { width: 100%; font-size: 12px; border-collapse: collapse; margin-top: 8px; }
.excel-preview-table th { background: rgba(55,138,221,.15); color: var(--accent); font-weight: 600; padding: 6px 10px; text-align: left; border-bottom: 1px solid var(--border); }
.excel-preview-table td { padding: 5px 10px; border-bottom: 1px solid var(--border); color: var(--text); }
.excel-preview-table tr:nth-child(even) td { background: rgba(255,255,255,.02); }
.excel-mapping-row { display: flex; align-items: center; gap: 8px; margin: 6px 0; }
.excel-mapping-row select { flex: 1; padding: 4px 8px; border-radius: 6px; background: var(--card-bg); color: var(--text); border: 1px solid var(--border); font-size: 12px; }
.excel-mapping-label { font-size: 12px; color: var(--text-dim); min-width: 100px; }
.excel-stats { display: flex; gap: 16px; margin: 12px 0; }
.excel-stat { padding: 8px 16px; border-radius: 8px; background: rgba(255,255,255,.03); border: 1px solid var(--border); text-align: center; }
.excel-stat-value { font-size: 20px; font-weight: 700; color: var(--accent); }
.excel-stat-label { font-size: 11px; color: var(--text-dim); }

/* ═══ Tracking Document Badge & Tooltip ═══ */
.tracking-doc-badge {
  display: inline-flex; align-items: center; gap: 2px;
  background: rgba(55,138,221,.15); color: var(--accent);
  font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 10px;
  cursor: pointer; transition: all .2s; margin-left: 6px;
}
.tracking-doc-badge:hover { background: rgba(55,138,221,.3); transform: scale(1.05); }

.doc-tooltip {
  position: fixed; z-index: 10000;
  background: var(--card-bg, #1a2332); border: 1px solid var(--border);
  border-radius: 10px; padding: 8px; min-width: 260px; max-width: 320px;
  box-shadow: 0 8px 32px rgba(0,0,0,.4); font-size: 12px;
  animation: tooltipFadeIn .15s ease;
}
@keyframes tooltipFadeIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }
.doc-tooltip-header { font-weight: 700; font-size: 12px; color: var(--text); padding: 4px 8px 6px; border-bottom: 1px solid var(--border); margin-bottom: 4px; }
.doc-tooltip-row {
  display: flex; align-items: center; gap: 8px; padding: 6px 8px;
  border-radius: 6px; cursor: pointer; transition: background .15s;
}
.doc-tooltip-row:hover { background: rgba(55,138,221,.1); }
.doc-tooltip-info { flex: 1; min-width: 0; }
.doc-tooltip-info div:first-child { font-size: 12px; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

[data-theme="light"] .doc-tooltip { background: #fff; box-shadow: 0 8px 32px rgba(0,0,0,.12); }

/* ═══ Clickable Stat Cards ═══ */
.stat-card.stat-clickable { cursor: pointer; position: relative; }
.stat-card.stat-clickable::after {
  content: '→';
  position: absolute;
  top: 16px; right: 16px;
  font-size: 14px;
  color: var(--text-dim);
  opacity: 0;
  transition: all .25s var(--ease);
}
.stat-card.stat-clickable:hover::after { opacity: 1; transform: translateX(3px); }
.stat-card.stat-clickable:hover { border-color: var(--border-hover); transform: translateY(-3px); }
.stat-card.stat-clickable:hover::before { opacity: 1; }
.stat-card.stat-active { border-color: var(--sky); box-shadow: 0 0 0 1px var(--sky), 0 4px 20px rgba(55,138,221,.15); }
.stat-card.stat-active::before { opacity: 1; }
.stat-hint { display: block; font-size: 10px; color: var(--text-dim); margin-top: 6px; opacity: .6; font-weight: 400; }

/* ═══ Drill-Down Panel ═══ */
.drill-down-panel {
  background: var(--bg-card);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 24px;
  overflow: hidden;
  animation: drillSlideDown .3s var(--ease);
}
@keyframes drillSlideDown {
  from { opacity: 0; transform: translateY(-12px); max-height: 0; }
  to { opacity: 1; transform: translateY(0); max-height: 2000px; }
}
.drill-down-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 22px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.drill-down-title-area {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 200px;
}
.drill-down-title-area h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-bright);
  white-space: nowrap;
}
.drill-count {
  background: var(--sky);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 9px;
  border-radius: 10px;
}
.drill-down-filters {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  flex-wrap: wrap;
}
.drill-down-filters select,
.drill-down-filters input {
  padding: 7px 12px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 12px;
  outline: none;
  transition: border-color .2s;
}
.drill-down-filters select:focus,
.drill-down-filters input:focus { border-color: var(--sky); }
.drill-down-body { padding: 0; max-height: 420px; overflow-y: auto; }
.drill-down-body .data-table td { padding: 11px 16px; font-size: 12px; }
.drill-down-body .data-table th { padding: 10px 16px; position: sticky; top: 0; background: var(--bg); z-index: 1; }
.drill-down-body .empty-state { padding: 40px 20px; }
.drill-close-btn { margin-left: auto; flex-shrink: 0; }

/* Delay badge */
.delay-badge { display: inline-flex; align-items: center; gap: 3px; padding: 2px 8px; border-radius: 10px; font-size: 11px; font-weight: 600; }
.delay-badge.severe { background: var(--red-bg); color: var(--red); }
.delay-badge.moderate { background: var(--amber-bg); color: var(--amber); }
.delay-badge.minor { background: rgba(55,138,221,.12); color: var(--sky); }

/* Tracking stat filter chips */
.stat-card.stat-filter { cursor: pointer; transition: all .2s var(--ease); }
.stat-card.stat-filter:hover { transform: translateY(-2px); border-color: var(--border-hover); }
.stat-card.stat-filter.active { border-color: var(--sky); box-shadow: inset 0 0 0 1px var(--sky); }
.stat-card.stat-filter.active::before { opacity: 1; }

/* Light theme overrides */
[data-theme="light"] .drill-down-panel { background: rgba(255,255,255,.9); box-shadow: 0 2px 8px rgba(0,0,0,.06); }
[data-theme="light"] .drill-down-filters select,
[data-theme="light"] .drill-down-filters input { background: rgba(0,0,0,.03); color: #0F172A; }
[data-theme="light"] .drill-down-body .data-table th { background: #F5F7FA; }

/* ═══ Enhanced Map View ═══ */
.map-route-tooltip {
  background: rgba(17,24,39,.95) !important;
  border: 1px solid rgba(255,255,255,.1) !important;
  border-radius: 8px !important;
  color: #E2E8F0 !important;
  font-family: 'Inter', sans-serif !important;
  font-size: 12px !important;
  padding: 6px 10px !important;
  box-shadow: 0 4px 16px rgba(0,0,0,.4) !important;
}
.map-route-tooltip::before { border-top-color: rgba(17,24,39,.95) !important; }

.map-rich-popup .leaflet-popup-content-wrapper {
  background: #111827 !important;
  border: 1px solid rgba(255,255,255,.1) !important;
  border-radius: 12px !important;
  box-shadow: 0 8px 32px rgba(0,0,0,.5) !important;
}
.map-rich-popup .leaflet-popup-tip { background: #111827 !important; }
.map-rich-popup .leaflet-popup-content { margin: 12px 14px !important; }

.map-vessel-icon { background: none !important; border: none !important; }

.map-legend-item {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  transition: background .15s var(--ease);
  border-radius: 6px;
  margin-bottom: 2px;
}
.map-legend-item:hover { background: rgba(55,138,221,.06); }
.map-legend-item:last-child { border-bottom: none; }

@media (max-width: 1024px) {
  #mapLegendWrap { width: 100% !important; }
}
@media (max-width: 768px) {
  #mapLegendWrap { display: none; }
}

[data-theme="light"] .map-route-tooltip { background: rgba(255,255,255,.95) !important; color: #334155 !important; border-color: rgba(0,0,0,.08) !important; }
[data-theme="light"] .map-rich-popup .leaflet-popup-content-wrapper { background: #fff !important; border-color: rgba(0,0,0,.08) !important; }
[data-theme="light"] .map-rich-popup .leaflet-popup-tip { background: #fff !important; }

/* ═══ KPI Filter Grid ═══ */
.kpi-filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  padding: 18px 22px;
  background: var(--bg-card);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 24px;
}
.kpi-filter-grid select {
  width: 100%;
  padding: 8px 10px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 12px;
  outline: none;
  transition: border-color 0.2s;
}
.kpi-filter-grid select:focus { border-color: var(--sky); }
[data-theme="light"] .kpi-filter-grid { background: rgba(255,255,255,.85); }
[data-theme="light"] .kpi-filter-grid select { background: rgba(0,0,0,.03); color: #0F172A; }

/* ═══ Document Center Type Badge ═══ */
.dc-type-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 10px;
  font-weight: 600;
  background: rgba(55,138,221,.1);
  color: var(--sky);
  white-space: nowrap;
}
[data-theme="light"] .dc-type-badge { background: #EFF6FF; color: #2563EB; }

/* ═══ Document Center Source Badge ═══ */
.dc-source-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 10px;
  font-weight: 600;
  white-space: nowrap;
}
.dc-source-badge.booking { background: rgba(186,117,23,.12); color: var(--amber); }
.dc-source-badge.shipment { background: var(--green-bg); color: var(--green); }
[data-theme="light"] .dc-source-badge.booking { background: #FFF7ED; color: #B45309; }
[data-theme="light"] .dc-source-badge.shipment { background: #ECFDF5; color: #059669; }

/* ═══ Stats Grid 6 Columns ═══ */
.stats-grid-6 {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}
@media (max-width: 1200px) { .stats-grid-6 { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 768px) { .stats-grid-6 { grid-template-columns: repeat(2, 1fr); } }