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

:root {
  --sidebar-width: 260px;
  --sidebar-bg: #0f172a;
  --sidebar-hover: #1e293b;
  --sidebar-active: #3b82f6;
  --sidebar-text: #94a3b8;
  --sidebar-text-active: #f1f5f9;
  --body-bg: #f1f5f9;
  --card-bg: #ffffff;
  --card-radius: 12px;
  --card-shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --card-shadow-hover: 0 4px 12px rgba(0,0,0,.08);
  --border-color: #e2e8f0;
  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --accent: #3b82f6;
  --accent-light: #eff6ff;
  --success: #10b981;
  --success-light: #ecfdf5;
  --danger: #ef4444;
  --danger-light: #fef2f2;
  --warning: #f59e0b;
  --warning-light: #fffbeb;
  --info: #3b82f6;
  --info-light: #eff6ff;
  --purple: #8b5cf6;
  --purple-light: #f5f3ff;
  --teal: #14b8a6;
  --teal-light: #f0fdfa;
  --orange: #f97316;
  --orange-light: #fff7ed;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0;
  font-family: var(--font);
  background: var(--body-bg);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

/* ===== SIDEBAR ===== */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  z-index: 1000;
  overflow-y: auto;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.sidebar-brand .brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, #3b82f6, #6366f1);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  flex-shrink: 0;
}

.sidebar-brand .brand-text {
  font-size: 16px;
  font-weight: 700;
  color: #f1f5f9;
  letter-spacing: -.02em;
}

.sidebar-brand .brand-label {
  display: block;
  font-size: 10px;
  font-weight: 400;
  color: var(--sidebar-text);
  margin-top: 1px;
  letter-spacing: .02em;
}

.sidebar-nav {
  padding: 12px 10px;
  flex: 1;
}

.sidebar-nav .nav-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: #475569;
  padding: 16px 14px 6px;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all .15s ease;
  margin-bottom: 2px;
}

.sidebar-nav a:hover {
  background: var(--sidebar-hover);
  color: var(--sidebar-text-active);
}

.sidebar-nav a.active {
  background: rgba(59, 130, 246, .12);
  color: var(--sidebar-text-active);
}

.sidebar-nav a.active i {
  color: var(--sidebar-active);
}

.sidebar-nav a i {
  font-size: 18px;
  width: 22px;
  text-align: center;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: 16px 14px;
  border-top: 1px solid rgba(255,255,255,.06);
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-footer .user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, #475569, #334155);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #f1f5f9;
  font-size: 14px;
  font-weight: 600;
  flex-shrink: 0;
  overflow: hidden;
}

.sidebar-footer .user-info {
  flex: 1;
  min-width: 0;
}

.sidebar-footer .user-name {
  font-size: 13px;
  font-weight: 600;
  color: #e2e8f0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-footer .user-role {
  font-size: 11px;
  color: var(--sidebar-text);
}

.sidebar-footer .user-role .badge {
  font-size: 9px;
  padding: 1px 6px;
  border-radius: 4px;
}

.sidebar-footer .btn-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--sidebar-text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all .15s ease;
  font-size: 16px;
}

.sidebar-footer .btn-icon:hover {
  background: var(--sidebar-hover);
  color: var(--danger);
}

/* ===== MAIN CONTENT ===== */
.main-wrapper {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
}

.page-header {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.page-header h1 {
  font-size: 20px;
  font-weight: 700;
  margin: 0;
  color: var(--text-primary);
}

.page-header .subtitle {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 2px;
}
.page-header .page-header-left .subtitle-wrapper {
  margin-top: 2px;
}

.main-content {
  padding: 28px 32px;
}

/* ===== CARDS ===== */
.card-modern {
  background: var(--card-bg);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border-color);
  transition: box-shadow .2s ease;
}

.card-modern:hover {
  box-shadow: var(--card-shadow-hover);
}

.card-modern .card-header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-color);
  background: transparent;
  font-weight: 600;
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-modern .card-header .card-header-right {
  margin-left: auto;
  font-weight: 400;
  font-size: 13px;
  color: var(--text-secondary);
}

.card-modern .card-body {
  padding: 24px;
}

/* ===== STAT CARDS ===== */
.stat-card {
  background: var(--card-bg);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border-color);
  padding: 24px;
  transition: all .2s ease;
  position: relative;
  overflow: hidden;
}

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

.stat-card .stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
}

.stat-card .stat-icon.icon-red { background: var(--danger-light); color: var(--danger); }
.stat-card .stat-icon.icon-blue { background: var(--info-light); color: var(--info); }
.stat-card .stat-icon.icon-green { background: var(--success-light); color: var(--success); }
.stat-card .stat-icon.icon-purple { background: var(--purple-light); color: var(--purple); }
.stat-card .stat-icon.icon-teal { background: var(--teal-light); color: var(--teal); }
.stat-card .stat-icon.icon-orange { background: var(--orange-light); color: var(--orange); }

.stat-card .stat-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.stat-card .stat-value {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.02em;
}

.stat-card .stat-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 8px;
}

.stat-card a {
  text-decoration: none;
  color: inherit;
}

/* ===== TABLES ===== */
.table-modern {
  width: 100%;
  border-collapse: collapse;
}

.table-modern thead th {
  background: #f8fafc;
  padding: 10px 16px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-secondary);
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.table-modern tbody td {
  padding: 12px 16px;
  font-size: 14px;
  border-bottom: 1px solid #f1f5f9;
  vertical-align: middle;
}

.table-modern tbody tr:last-child td {
  border-bottom: none;
}

.table-modern tbody tr:hover {
  background: #f8fafc;
}

.table-modern tbody tr:active {
  background: #f1f5f9;
}

.table-modern tbody tr.row-danger { background: #fef2f2; }
.table-modern tbody tr.row-success { background: #f0fdf4; }

/* ===== FORMS ===== */
.form-modern .form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.form-modern .form-control,
.form-modern .form-select {
  border-radius: 8px;
  border: 1px solid var(--border-color);
  padding: 10px 14px;
  font-size: 14px;
  font-family: var(--font);
  transition: border-color .15s ease, box-shadow .15s ease;
}

.form-modern .form-control:focus,
.form-modern .form-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, .1);
  outline: none;
}

.form-modern textarea.form-control {
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 13px;
  line-height: 1.5;
}

/* ===== BUTTONS ===== */
.btn-modern {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .15s ease;
  text-decoration: none;
  line-height: 1;
}

.btn-modern:disabled {
  opacity: .5;
  cursor: not-allowed;
}

.btn-modern.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-modern.btn-primary:hover:not(:disabled) {
  background: #2563eb;
}

.btn-modern.btn-success {
  background: var(--success);
  color: #fff;
}
.btn-modern.btn-success:hover:not(:disabled) {
  background: #059669;
}

.btn-modern.btn-danger {
  background: var(--danger);
  color: #fff;
}
.btn-modern.btn-danger:hover:not(:disabled) {
  background: #dc2626;
}

.btn-modern.btn-warning {
  background: var(--warning);
  color: #fff;
}
.btn-modern.btn-warning:hover:not(:disabled) {
  background: #d97706;
}

.btn-modern.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border-color);
}
.btn-modern.btn-ghost:hover:not(:disabled) {
  background: #f8fafc;
  color: var(--text-primary);
}

.btn-modern.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
  gap: 6px;
}

.btn-modern.btn-xs {
  padding: 4px 8px;
  font-size: 11px;
  gap: 4px;
}

/* ===== BADGES ===== */
.badge-modern {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .02em;
}

.badge-modern.badge-success {
  background: var(--success-light);
  color: #059669;
}

.badge-modern.badge-danger {
  background: var(--danger-light);
  color: #dc2626;
}

.badge-modern.badge-warning {
  background: var(--warning-light);
  color: #d97706;
}

.badge-modern.badge-info {
  background: var(--info-light);
  color: #2563eb;
}

.badge-modern.badge-secondary {
  background: #f1f5f9;
  color: #64748b;
}

.badge-modern.badge-purple {
  background: var(--purple-light);
  color: #7c3aed;
}

/* ===== ALERTS ===== */
.alert-modern {
  padding: 14px 18px;
  border-radius: 10px;
  border: 1px solid transparent;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  margin-bottom: 20px;
}

.alert-modern.alert-success {
  background: var(--success-light);
  border-color: #a7f3d0;
  color: #065f46;
}

.alert-modern.alert-danger {
  background: var(--danger-light);
  border-color: #fecaca;
  color: #991b1b;
}

.alert-modern.alert-info {
  background: var(--info-light);
  border-color: #bfdbfe;
  color: #1e40af;
}

/* ===== MODALS ===== */
.modal-modern .modal-content {
  border-radius: 16px;
  border: none;
  box-shadow: 0 20px 60px rgba(0,0,0,.15);
  overflow: hidden;
}

.modal-modern .modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-modern .modal-header.modal-header-danger {
  background: var(--danger);
  color: #fff;
  border: none;
}

.modal-modern .modal-header h5 {
  font-weight: 700;
  font-size: 16px;
  margin: 0;
}

.modal-modern .modal-body {
  padding: 24px;
}

.modal-modern .modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
  gap: 8px;
}

.modal-modern .btn-close-white {
  filter: brightness(0) invert(1);
}

/* ===== EMPTY STATE ===== */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-secondary);
}

.empty-state i {
  font-size: 48px;
  color: var(--border-color);
  margin-bottom: 16px;
  display: block;
}

.empty-state p {
  font-size: 14px;
  margin: 0;
}

/* ===== PAGE SPECIFIC ===== */

/* Dashboard grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}

/* Info panel (map) */
.info-panel-modern {
  position: fixed;
  top: 80px;
  right: 16px;
  width: min(300px, calc(100vw - 32px));
  z-index: 1000;
  display: none;
}

.info-panel-modern .card-body {
  padding: 20px;
}

.info-panel-modern table td.label {
  color: var(--text-secondary);
  white-space: nowrap;
  padding-right: 12px;
  font-size: 13px;
}

.info-panel-modern table td {
  font-size: 13px;
  padding: 4px 0;
  vertical-align: top;
}

/* Map sidebar */
.sidebar-map {
  position: fixed;
  top: 0;
  left: var(--sidebar-width);
  width: 300px;
  height: 100vh;
  z-index: 999;
  background: var(--card-bg);
  border-right: 1px solid var(--border-color);
  transform: translateX(-310px);
  transition: transform .25s ease;
  display: flex;
  flex-direction: column;
  font-size: 13px;
}

.sidebar-map.open { transform: translateX(0); }

.sidebar-map .sidebar-map-header {
  padding: 16px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}

.sidebar-map .sidebar-map-header .title {
  font-weight: 700;
  font-size: 15px;
}

.sidebar-map .sidebar-map-filters {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.sidebar-map .sidebar-map-filters button {
  flex: 1;
  font-size: 11px;
  padding: 6px 8px;
  border-radius: 6px;
}

.sidebar-map .sidebar-map-list {
  overflow-y: auto;
  flex: 1;
}

.sidebar-map .sidebar-map-list .item {
  padding: 12px 16px;
  border-bottom: 1px solid #f8fafc;
  cursor: pointer;
  transition: background .15s;
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-map .sidebar-map-list .item:hover { background: #f8fafc; }
.sidebar-map .sidebar-map-list .item.active { background: var(--info-light); }

.sidebar-map .sidebar-map-list .item .dot {
  flex-shrink: 0;
  width: 10px; height: 10px;
  border-radius: 50%;
}

.sidebar-map .sidebar-map-list .item .info { flex: 1; min-width: 0; }
.sidebar-map .sidebar-map-list .item .uuid { color: var(--text-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Page header tabs */
.header-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border-color);
  margin: 0;
  padding: 0 24px;
  list-style: none;
}

.header-tabs .nav-link {
  padding: 12px 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  border: none;
  background: none;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all .15s ease;
}

.header-tabs .nav-link:hover {
  color: var(--text-primary);
}

.header-tabs .nav-link.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* Breakdown badge (map) */
.breakdown-badge {
  position: fixed;
  bottom: 24px;
  left: calc(var(--sidebar-width) + 16px);
  z-index: 1000;
  background: rgba(239, 68, 68, .85);
  color: #fff;
  border-radius: 20px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  backdrop-filter: blur(4px);
  pointer-events: none;
}

/* Simulator link button */
.btn-simulator {
  background: linear-gradient(135deg, #f59e0b, #d97706) !important;
  color: #fff !important;
  border: none !important;
}

.btn-simulator:hover {
  background: linear-gradient(135deg, #d97706, #b45309) !important;
}

/* Mobile topbar (desktop: hidden) */
.mobile-topbar {
  display: none;
}

/* Sidebar overlay */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 999;
  backdrop-filter: blur(2px);
}
.sidebar-overlay.active {
  display: block;
}

/* Sidebar close button (desktop: hidden) */
.sidebar-close-btn {
  display: none;
}

/* Responsive */
@media (max-width: 768px) {
  /* Topbar mobile */
  .mobile-topbar {
    display: flex;
    align-items: center;
    gap: 12px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    background: var(--sidebar-bg);
    padding: 0 16px;
    z-index: 998;
    border-bottom: 1px solid rgba(255,255,255,.06);
  }
  .mobile-topbar .hamburger-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    color: #f1f5f9;
    font-size: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: 8px;
    flex-shrink: 0;
    padding: 0;
  }
  .mobile-topbar .hamburger-btn:hover {
    background: var(--sidebar-hover);
  }
  .mobile-topbar .mobile-brand {
    font-size: 16px;
    font-weight: 700;
    color: #f1f5f9;
    letter-spacing: -.02em;
  }

  /* Sidebar = drawer */
  .sidebar {
    transform: translateX(-100%);
    transition: transform .25s ease;
    width: var(--sidebar-width);
    height: 100vh;
  }
  .sidebar.sidebar-open {
    transform: translateX(0);
  }

  /* Close button inside sidebar */
  .sidebar-close-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 14px;
    right: 14px;
    width: 30px;
    height: 30px;
    border: none;
    background: rgba(255,255,255,.08);
    color: #94a3b8;
    border-radius: 8px;
    cursor: pointer;
    font-size: 15px;
    z-index: 10;
  }
  .sidebar-close-btn:hover {
    background: rgba(255,255,255,.16);
    color: #f1f5f9;
  }

  /* Main content */
  .main-wrapper {
    margin-left: 0;
    padding-top: 56px;
  }
  .main-content {
    padding: 16px;
  }
  .page-header {
    padding: 12px 16px;
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
  }
  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  /* Map */
  .leaflet-control-zoom {
    display: none !important;
  }
  #map {
    height: calc(100vh - 56px) !important;
    margin-top: 56px;
  }
  #btn-toggle-sidebar {
    top: 64px !important;
    left: 12px !important;
  }
  .sidebar-map {
    left: 0;
    width: 100%;
    top: 56px;
    height: calc(100vh - 56px);
    transform: translateX(-100%);
  }
  .breakdown-badge {
    left: 16px;
  }
  .info-panel-modern {
    top: 68px;
    right: 8px;
    width: calc(100vw - 16px);
  }
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* DataTables overrides */
.dataTables_wrapper .dataTables_filter input {
  border-radius: 8px !important;
  border: 1px solid var(--border-color) !important;
  padding: 6px 12px !important;
  font-size: 13px !important;
}

.dataTables_wrapper .dataTables_length select {
  border-radius: 8px !important;
  border: 1px solid var(--border-color) !important;
  padding: 4px 8px !important;
}

.dataTables_wrapper .dataTables_info {
  font-size: 13px !important;
  color: var(--text-secondary) !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
  border-radius: 6px !important;
  padding: 4px 10px !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current {
  background: var(--accent) !important;
  color: #fff !important;
  border-color: var(--accent) !important;
}