/* ===== CSS Variables & Reset ===== */
:root {
  --bg-primary: #0f1923;
  --bg-secondary: #1a2634;
  --bg-card: #1e2d3d;
  --bg-card-hover: #243447;
  --bg-input: #162230;
  --border-color: #2a3f52;
  --text-primary: #e8edf2;
  --text-secondary: #8a9bb0;
  --text-muted: #5a6f82;
  --accent: #00b4d8;
  --accent-hover: #00cfff;
  --accent-dim: rgba(0, 180, 216, 0.15);
  --success: #2dd4a8;
  --warning: #f0a500;
  --danger: #ef4444;
  --chart-1: #00b4d8;
  --chart-2: #f472b6;
  --chart-3: #34d399;
  --chart-4: #fbbf24;
  --chart-5: #a78bfa;
  --chart-6: #fb923c;
  --sidebar-width: 280px;
  --topbar-height: 56px;
  --radius: 8px;
  --radius-sm: 4px;
  --shadow: 0 2px 12px rgba(0,0,0,0.3);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ===== Sidebar ===== */
#sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  z-index: 10;
}

.sidebar-header {
  padding: 20px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-header-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.sidebar-header h1 {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.sidebar-header-note {
  font-size: 0.68rem;
  line-height: 1.35;
  color: var(--text-muted);
}

.logo-icon {
  color: var(--accent);
  flex-shrink: 0;
}

.sidebar-section {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-section h3 {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-accent {
  background: linear-gradient(135deg, #0c8db2, var(--accent));
  color: #fff;
}

.btn-accent:hover {
  background: linear-gradient(135deg, #11a1ca, var(--accent-hover));
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.btn-block {
  width: 100%;
}

.btn:disabled {
  opacity: 1;
  background: var(--bg-card);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn.is-loading::after {
  content: '';
  width: 12px;
  height: 12px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ===== Status Badge ===== */
.status-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
}

.status-badge.disconnected {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
}

.status-badge.connected {
  background: rgba(45, 212, 168, 0.1);
  color: var(--success);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ===== Navigation List ===== */
.nav-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-height: 300px;
  overflow-y: auto;
}

.nav-item {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-item:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

.nav-item.active {
  background: var(--accent-dim);
  color: var(--accent);
  font-weight: 600;
}

.nav-item .item-badge {
  margin-left: auto;
  font-size: 0.7rem;
  padding: 2px 6px;
  background: var(--border-color);
  border-radius: 10px;
  color: var(--text-muted);
}

.nav-item.active .item-badge {
  background: rgba(0, 180, 216, 0.2);
  color: var(--accent);
}

/* ===== Search Input ===== */
.search-input {
  width: 100%;
  padding: 7px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.8rem;
  margin-bottom: 8px;
  outline: none;
  transition: border-color 0.2s;
}

.search-input:focus {
  border-color: var(--accent);
}

.search-input::placeholder {
  color: var(--text-muted);
}

/* ===== Main Content ===== */
#main-content {
  flex: 1;
  overflow-y: auto;
  position: relative;
}

/* ===== Screens ===== */
.screen { display: none; }
.screen.active { display: block; }

/* ===== Welcome Screen ===== */
.welcome-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  text-align: center;
  color: var(--text-secondary);
  padding: 40px;
}

.welcome-icon {
  color: var(--accent);
  margin-bottom: 24px;
  opacity: 0.6;
}

.welcome-content h2 {
  font-size: 1.6rem;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.welcome-content p {
  max-width: 420px;
  line-height: 1.6;
  margin-bottom: 8px;
}

.welcome-content .hint {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ===== Loading Overlay ===== */
.overlay {
  position: fixed;
  top: 0;
  left: var(--sidebar-width);
  right: 0;
  bottom: 0;
  background: rgba(15, 25, 35, 0.85);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 100;
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 16px;
}

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

.overlay p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ===== Dashboard Topbar ===== */
.dashboard-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 5;
  flex-wrap: wrap;
  gap: 12px;
}

.breadcrumb {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.breadcrumb span {
  color: var(--text-primary);
  font-weight: 600;
}

.date-range-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.date-range-controls label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.date-range-controls input[type="datetime-local"] {
  padding: 6px 10px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.8rem;
  outline: none;
}

.date-range-controls input[type="datetime-local"]:focus {
  border-color: var(--accent);
}

/* ===== Info Bar ===== */
.info-bar {
  display: flex;
  gap: 12px;
  padding: 16px 24px;
  overflow-x: auto;
  flex-wrap: wrap;
}

.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 12px 18px;
  min-width: 140px;
  flex: 1;
}

.info-label {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.info-value {
  display: block;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ===== Status Row ===== */
.status-row {
  display: flex;
  gap: 12px;
  padding: 0 24px 16px;
  flex-wrap: wrap;
}

.status-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 14px 20px;
  flex: 1;
  min-width: 120px;
  text-align: center;
  transition: border-color 0.2s;
}

.status-card.on {
  border-color: var(--success);
  background: rgba(45, 212, 168, 0.05);
}

.status-card.off {
  border-color: var(--danger);
  background: rgba(239, 68, 68, 0.05);
}

.status-icon {
  font-size: 1.5rem;
  margin-bottom: 4px;
}

.status-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.status-value {
  font-size: 0.9rem;
  font-weight: 600;
}

/* ===== Charts Grid ===== */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 16px 24px;
}

.chart-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 16px;
}

.chart-card.full-width {
  grid-column: 1 / -1;
}

.chart-card h3 {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-secondary);
}

.chart-container {
  position: relative;
  height: 280px;
}

/* ===== Table Card ===== */
.table-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 16px;
  margin: 0 24px 16px;
}

.table-card h3 {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-secondary);
}

.table-wrapper {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

th {
  text-align: left;
  padding: 8px 12px;
  font-weight: 600;
  color: var(--text-muted);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

td {
  padding: 8px 12px;
  border-bottom: 1px solid rgba(42, 63, 82, 0.4);
  color: var(--text-primary);
  white-space: nowrap;
}

tr:hover td {
  background: rgba(0, 180, 216, 0.03);
}

.alert-none { color: var(--success); }
.alert-level1 { color: var(--warning); }
.alert-level2 { color: var(--danger); font-weight: 700; }

/* ===== Wheel Visual ===== */
.wheel-visual-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  padding: 12px 0;
}

.wheel-card {
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius);
  padding: 14px;
  min-width: 150px;
  text-align: center;
  transition: border-color 0.3s;
}

.wheel-card.ok { border-color: var(--success); }
.wheel-card.warn { border-color: var(--warning); }
.wheel-card.critical { border-color: var(--danger); animation: flashBorder 0.6s ease-in-out infinite; }

@keyframes flashBorder {
  0%, 100% { border-color: var(--danger); background: rgba(255, 68, 68, 0.15); }
  50% { border-color: transparent; background: transparent; }
}

.wheel-position-number {
  font-size: 1.2em;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
}

.wheel-stat {
  display: flex;
  justify-content: space-between;
  font-size: 0.82em;
  padding: 3px 0;
  color: var(--text-secondary);
}

.wheel-stat .val {
  font-weight: 600;
  color: var(--text-primary);
}

/* ===== Settings ===== */
.settings-details {
  margin-top: 10px;
}

.settings-details summary {
  cursor: pointer;
  color: var(--text-muted);
  font-size: 0.8rem;
  padding: 4px 0;
}

.settings-details summary:hover {
  color: var(--accent);
}

.settings-form {
  margin-top: 8px;
}

.settings-form label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin: 6px 0 3px;
}

.settings-input {
  width: 100%;
  padding: 6px 8px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.78rem;
  font-family: 'Consolas', monospace;
  box-sizing: border-box;
}

.settings-textarea {
  resize: vertical;
  min-height: 48px;
}

.demo-hint {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin: 6px 0 0;
  line-height: 1.3;
  font-style: italic;
}

/* ===== Outline Button ===== */
.btn-outline {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

/* ===== Demo Banner ===== */
.demo-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 2000;
  background: linear-gradient(90deg, #f0a500, #e67e00);
  color: #1a1a1a;
  font-weight: 700;
  font-size: 0.85rem;
  text-align: center;
  padding: 8px 40px;
  letter-spacing: 0.5px;
}

.banner-dismiss {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: #1a1a1a;
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0 4px;
  opacity: 0.6;
}

.banner-dismiss:hover {
  opacity: 1;
}

body.demo-active #sidebar {
  top: 36px;
}

body.demo-active #main-content {
  padding-top: 36px;
}

/* ===== Diagnostics Modal ===== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.7);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  min-width: 420px;
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  margin: 0;
  color: var(--text-primary);
  font-size: 1rem;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 0;
}

.modal-close:hover {
  color: var(--danger);
}

.diagnostics-results {
  padding: 16px 20px;
}

.diag-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-color);
}

.diag-check:last-child {
  border-bottom: none;
}

.diag-icon {
  font-size: 1.1em;
  flex-shrink: 0;
  margin-top: 2px;
}

.diag-label {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.85rem;
}

.diag-detail {
  color: var(--text-secondary);
  font-size: 0.78rem;
  margin-top: 2px;
}

.diag-hint {
  color: var(--warning);
  font-size: 0.75rem;
  margin-top: 2px;
  font-style: italic;
}

.diag-summary {
  margin-top: 12px;
  padding: 10px 12px;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ===== Welcome info ===== */
.welcome-info {
  margin-top: 24px;
  padding: 16px 20px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  text-align: left;
  max-width: 460px;
}

.welcome-info h4 {
  color: var(--accent);
  margin: 0 0 8px;
  font-size: 0.9rem;
}

.welcome-info ul {
  margin: 0;
  padding-left: 20px;
  color: var(--text-secondary);
  font-size: 0.82rem;
  line-height: 1.7;
}

.welcome-info li {
  margin: 2px 0;
}
.wheel-card.warn { border-color: var(--warning); }
.wheel-card.critical { border-color: var(--danger); animation: flashBorder 0.6s ease-in-out infinite; }

.wheel-position-number {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 6px;
}

.wheel-stat {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  padding: 3px 0;
  color: var(--text-secondary);
}

.wheel-stat .val {
  font-weight: 600;
  color: var(--text-primary);
}

/* ===== No Data ===== */
.no-data {
  text-align: center;
  padding: 60px 24px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ===== Toast ===== */
#toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: #fff;
  box-shadow: var(--shadow);
  animation: slideIn 0.3s ease, fadeOut 0.3s ease 3.5s forwards;
  max-width: 400px;
}

.toast.success { background: #166534; }
.toast.error { background: #991b1b; }
.toast.info { background: #1e40af; }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .charts-grid {
    grid-template-columns: 1fr;
  }
  #sidebar {
    width: 220px;
    min-width: 220px;
  }
}

@media (max-width: 600px) {
  #sidebar {
    position: fixed;
    left: -280px;
    height: 100vh;
    transition: left 0.3s;
  }
  #sidebar.open { left: 0; }
  .overlay { left: 0; }
}

/* ===== Fleet Overview — Table Layout (inspired by TyreSense production) ===== */
.fleet-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
  gap: 10px;
}

.fleet-topbar h2 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0;
}

.fleet-topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.fleet-topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.fleet-count {
  font-size: 0.78rem;
  color: var(--text-muted);
  background: var(--bg-card);
  padding: 2px 10px;
  border-radius: 12px;
}

.fleet-refresh-info {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  color: var(--text-muted);
}

.fleet-countdown {
  background: var(--accent-dim);
  color: var(--accent);
  padding: 2px 8px;
  border-radius: 4px;
  font-variant-numeric: tabular-nums;
  min-width: 38px;
  text-align: center;
  font-size: 0.72rem;
}

.fleet-sort {
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 5px 10px;
  font-size: 0.78rem;
  cursor: pointer;
}

.btn-sm {
  padding: 5px 12px;
  font-size: 0.76rem;
}

/* Fleet Summary Bar */
.fleet-summary {
  display: flex;
  gap: 10px;
  padding: 10px 24px;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
}

.fleet-stat {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  min-width: 80px;
}

.fleet-stat .fs-num {
  font-size: 1.2rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.fleet-stat .fs-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
}

.fleet-stat.ok { border-color: var(--success); }
.fleet-stat.ok .fs-num { color: var(--success); }
.fleet-stat.warn { border-color: var(--warning); }
.fleet-stat.warn .fs-num { color: var(--warning); }
.fleet-stat.critical { border-color: var(--danger); }
.fleet-stat.critical .fs-num { color: var(--danger); }
.fleet-stat.offline { border-color: var(--text-muted); }
.fleet-stat.offline .fs-num { color: var(--text-muted); }

/* Fleet Table */
.fleet-table-wrap {
  overflow-y: auto;
  max-height: calc(100vh - 260px);
  background: var(--bg-primary);
}

.fleet-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  table-layout: fixed;
}

.fleet-table thead {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--bg-secondary);
}

.fleet-table th {
  padding: 8px 6px;
  text-align: center;
  font-weight: 700;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  border-bottom: 2px solid var(--border-color);
}

.fleet-table th.ft-vehicle {
  text-align: left;
  padding-left: 16px;
  width: 150px;
}

.fleet-table th.ft-meta {
  text-align: left;
  width: 100px;
}

.fleet-table th.ft-type {
  width: 32px;
}

.fleet-table th.ft-pos {
  width: 72px;
}

.fleet-table th.ft-age {
  width: 70px;
}

/* Vehicle group — 3 rows per truck */
.fleet-table .ft-row-p td,
.fleet-table .ft-row-t td,
.fleet-table .ft-row-c td {
  padding: 3px 6px;
  text-align: center;
  font-variant-numeric: tabular-nums;
  border-right: 1px solid rgba(255,255,255,0.03);
  vertical-align: middle;
}

.fleet-table .ft-row-p td {
  padding-top: 8px;
  border-top: 1px solid var(--border-color);
}

.fleet-table .ft-row-c td {
  padding-bottom: 8px;
}

/* Vehicle name cell spanning 3 rows */
.fleet-table .ft-cell-vehicle {
  text-align: left !important;
  padding-left: 16px !important;
  cursor: pointer;
  vertical-align: middle;
}

.fleet-table .ft-cell-vehicle:hover .ft-truck-name {
  color: var(--accent);
}

.ft-truck-name {
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--text-primary);
  transition: color 0.15s;
}

.ft-truck-model {
  font-size: 0.68rem;
  color: var(--text-muted);
  margin-top: 1px;
}

/* Info/meta cell spanning 3 rows */
.fleet-table .ft-cell-meta {
  text-align: left !important;
  vertical-align: middle;
  font-size: 0.68rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.ft-meta-speed {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}

/* Row type indicator: P, T, C */
.ft-type-indicator {
  font-weight: 800;
  font-size: 0.72rem;
  width: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
}

.ft-type-p { color: var(--accent); }
.ft-type-t { color: #e8a838; }
.ft-type-c { color: var(--text-muted); }

/* Value cells */
.ft-val {
  font-weight: 600;
  font-size: 0.84rem;
  min-width: 48px;
  display: inline-block;
  text-align: center;
}

.ft-val.val-nodata {
  color: var(--text-muted);
  font-weight: 400;
  opacity: 0.5;
}

.ft-val.val-ok {
  color: var(--text-primary);
}

.ft-val.val-warn {
  color: #1a1a2e;
  background: #f0a500;
  border-radius: 3px;
  padding: 1px 6px;
  font-weight: 800;
}

.ft-val.val-critical {
  color: #fff;
  background: var(--danger);
  border-radius: 3px;
  padding: 1px 6px;
  font-weight: 800;
  animation: flashRed 0.6s ease-in-out infinite;
}

@keyframes flashRed {
  0%, 100% { background: var(--danger); }
  50% { background: transparent; color: #ff4444; }
}

/* Alert indicator icons on C row */
.ft-alert-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  font-size: 0.6rem;
  font-weight: 800;
  vertical-align: middle;
}

.ft-alert-icon.alert-ok {
  background: var(--success);
  color: #fff;
}

.ft-alert-icon.alert-l1 {
  background: #f0a500;
  color: #1a1a2e;
}

.ft-alert-icon.alert-l2 {
  background: var(--danger);
  color: #fff;
}

/* Age cell */
.ft-age-val {
  font-size: 0.68rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.ft-age-val.age-stale {
  color: var(--warning);
}

.ft-age-val.age-offline {
  color: var(--danger);
}

/* Status stripe on vehicle group */
.ft-row-p.truck-ok .ft-cell-vehicle { border-left: 3px solid var(--success); }
.ft-row-p.truck-warn .ft-cell-vehicle { border-left: 3px solid var(--warning); }
.ft-row-p.truck-critical .ft-cell-vehicle { border-left: 3px solid var(--danger); }
.ft-row-p.truck-offline .ft-cell-vehicle { border-left: 3px solid var(--text-muted); }

.ft-row-p.truck-critical {
  animation: pulseRow 2.5s infinite;
}

@keyframes pulseRow {
  0%, 100% { background: transparent; }
  50% { background: rgba(239, 68, 68, 0.05); }
}

/* Hover highlight for truck group */
.fleet-table tbody tr.ft-row-p:hover,
.fleet-table tbody tr.ft-row-p:hover + tr,
.fleet-table tbody tr.ft-row-p:hover + tr + tr {
  background: rgba(0, 180, 216, 0.04);
}

/* Loading shimmer */
.fleet-table.loading tbody {
  opacity: 0.4;
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% { opacity: 0.5; }
  50% { opacity: 0.25; }
  100% { opacity: 0.5; }
}

/* Active Alerts section */
.fleet-alerts-section {
  padding: 12px 24px 20px;
  border-top: 1px solid var(--border-color);
  background: var(--bg-secondary);
}

.fleet-alerts-title {
  font-size: 0.88rem;
  font-weight: 700;
  margin: 0 0 10px 0;
  color: var(--warning);
}

.fleet-alerts-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.78rem;
}

.fleet-alerts-table th {
  text-align: left;
  padding: 6px 10px;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
}

.fleet-alerts-table td {
  padding: 6px 10px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  color: var(--text-secondary);
}

.fleet-alerts-table .sev-warn { color: var(--warning); font-weight: 600; }
.fleet-alerts-table .sev-critical { color: var(--danger); font-weight: 700; }

/* Fleet Body — split pane: table left, map right */
.fleet-body {
  display: flex;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.fleet-body .fleet-table-wrap {
  flex: 1 1 55%;
  overflow-y: auto;
  max-height: calc(100vh - 260px);
}

.fleet-map {
  flex: 0 0 45%;
  min-height: 400px;
  background: var(--bg-card);
  border-left: 1px solid var(--border-color);
}

/* Leaflet popup styling for dark theme */
.fleet-map .leaflet-popup-content-wrapper {
  background: var(--bg-card);
  color: var(--text-primary);
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
}

.fleet-map .leaflet-popup-tip {
  background: var(--bg-card);
}

.fleet-map .leaflet-popup-content {
  margin: 8px 12px;
  font-size: 0.82rem;
  line-height: 1.5;
}

.fleet-map .leaflet-popup-content .popup-truck-name {
  font-weight: 700;
  font-size: 0.92rem;
  margin-bottom: 4px;
}

.fleet-map .leaflet-popup-content .popup-status {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.truck-marker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  padding: 1px 5px;
  height: 18px;
  border-radius: 9px;
  font-size: 0.58rem;
  font-weight: 800;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.85);
  box-shadow: 0 1px 4px rgba(0,0,0,0.45);
  text-align: center;
  line-height: 15px;
  letter-spacing: 0.3px;
}

.truck-marker.marker-ok { background: var(--success); }
.truck-marker.marker-warn { background: var(--warning); color: #1a1a2e; }
.truck-marker.marker-critical { background: var(--danger); }
.truck-marker.marker-offline { background: #64748b; }

@media (max-width: 1100px) {
  .fleet-body {
    flex-direction: column;
  }
  .fleet-body .fleet-table-wrap {
    flex: none;
    max-height: 50vh;
  }
  .fleet-map {
    flex: none;
    height: 350px;
  }
}