:root {
  color-scheme: light dark;
  --bg: #0f1419;
  --panel: #1a2332;
  --border: #2d3a4d;
  --text: #e8eef7;
  --muted: #8fa3bf;
  --accent: #3d8bfd;
  --accent-hover: #5a9dff;
  --danger: #f87171;
  --success: #4ade80;
  --sidebar-width: 280px;
  font-family:
    system-ui,
    -apple-system,
    Segoe UI,
    Roboto,
    sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.hidden {
  display: none !important;
}

.loading-region {
  position: relative;
}

.loading-region.is-loading > :not(.loading-overlay):not(.loading-skip) {
  opacity: 0.45;
  pointer-events: none;
}

.loading-region.is-loading > .loading-skip {
  opacity: 1;
  pointer-events: auto;
}

.loading-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 20, 25, 0.72);
  z-index: 10;
  border-radius: inherit;
  min-height: 4rem;
}

.loading-state {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 500;
}

.spinner {
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

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

.loading-cell {
  text-align: center;
  padding: 2.5rem 1rem !important;
}

.loading-cell .loading-state {
  justify-content: center;
}

button.is-loading {
  opacity: 0.75;
  pointer-events: none;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
}

.muted {
  color: var(--muted);
}

.error {
  color: var(--danger);
  font-size: 0.9rem;
}

a {
  color: var(--accent);
}

.login-panel {
  max-width: 360px;
  margin: 4rem auto;
}

.login-panel form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

label {
  font-size: 0.85rem;
  color: var(--muted);
}

input[type='search'],
input[type='password'],
input[type='date'],
select {
  padding: 0.6rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}

input[type='search'],
input[type='password'] {
  width: 100%;
}

input:disabled,
select:disabled {
  opacity: 0.5;
}

button {
  cursor: pointer;
  border: none;
  border-radius: 8px;
  padding: 0.55rem 0.9rem;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
}

button:hover {
  background: var(--accent-hover);
}

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

button.secondary:hover {
  border-color: var(--accent);
}

button.ghost {
  background: transparent;
  color: var(--muted);
  font-weight: 500;
}

button.ghost:hover {
  color: var(--text);
}

button.small {
  font-size: 0.85rem;
  padding: 0.25rem 0.5rem;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* App shell */
.app-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}

.brand {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
}

.brand:hover {
  color: var(--accent);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
}

.nav-link {
  color: var(--muted);
  font-weight: 500;
  padding: 0.45rem 0.75rem;
  text-decoration: none;
  border-radius: 8px;
}

.nav-link:hover {
  color: var(--text);
  background: rgba(61, 139, 253, 0.08);
}

.nav-link.active {
  color: var(--text);
  background: rgba(61, 139, 253, 0.15);
}

.app-header > .ghost {
  margin-left: auto;
}

.subnav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.subnav-link {
  padding: 0.65rem 1rem;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.subnav-link:hover {
  color: var(--text);
}

.subnav-link.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* Pages */
.page {
  padding: 1.25rem;
  min-height: calc(100vh - 3.5rem);
}

#main-view:has(.subnav:not(.hidden)) .page {
  min-height: calc(100vh - 6.5rem);
}

.page-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.page-header-row h2 {
  margin: 0 0 0.35rem;
  font-size: 1.35rem;
}

.page-desc {
  margin: 0;
  font-size: 0.9rem;
  max-width: 36rem;
}

.btn-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.btn-toolbar button {
  min-width: 6.5rem;
}

.section-title {
  margin: 0 0 0.85rem;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.dashboard-content {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.dashboard-section {
  margin: 0;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.stat-card {
  margin: 0;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.15rem 1.25rem;
  border-left: 3px solid var(--border);
  transition: border-color 0.15s ease;
}

.stat-card:hover {
  border-color: rgba(61, 139, 253, 0.35);
}

.stat-card--drivers {
  border-left-color: var(--accent);
}

.stat-card--contracts {
  border-left-color: #a78bfa;
}

.stat-card--success {
  border-left-color: var(--success);
}

.stat-card--muted {
  border-left-color: var(--muted);
}

.stat-label {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.stat-value {
  margin: 0.35rem 0 0;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.1;
}

.stat-hint {
  margin: 0.5rem 0 0;
  font-size: 0.8rem;
  line-height: 1.35;
}

.last-sync-card {
  padding: 1.25rem;
}

.last-sync-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.last-sync-header .section-title {
  margin: 0;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1rem 1.5rem;
  margin: 0;
}

.meta-grid > div {
  margin: 0;
}

.meta-grid dt {
  margin: 0 0 0.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--muted);
}

.meta-grid dd {
  margin: 0;
  font-size: 0.95rem;
}

.status-badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: lowercase;
}

.status-badge.status-success {
  background: rgba(74, 222, 128, 0.15);
  color: var(--success);
}

.status-badge.status-error {
  background: rgba(248, 113, 113, 0.15);
  color: var(--danger);
}

.status-badge.status-running {
  background: rgba(61, 139, 253, 0.15);
  color: var(--accent);
}

.status-badge.status-unknown {
  background: rgba(143, 163, 191, 0.15);
  color: var(--muted);
}

.source-tag {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 500;
  background: rgba(143, 163, 191, 0.12);
  color: var(--text);
  border: 1px solid var(--border);
}

.status-success {
  color: var(--success);
}

.status-error {
  color: var(--danger);
}

.status-running {
  color: var(--accent);
}

/* Sync history */
.page-sync {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sync-history-wrap {
  padding: 0;
  overflow: auto;
  max-height: calc(100vh - 11rem);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.data-table th,
.data-table td {
  padding: 0.7rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.data-table th {
  position: sticky;
  top: 0;
  background: var(--panel);
  color: var(--muted);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  z-index: 1;
}

.data-table tbody tr:hover {
  background: rgba(61, 139, 253, 0.05);
}

.data-table .num {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}

.data-table .error-cell {
  max-width: 14rem;
  font-size: 0.8rem;
  color: var(--danger);
  word-break: break-word;
}

.data-table .empty-cell {
  text-align: center;
  padding: 2.5rem 1rem;
}

/* Drivers browse */
.page-contracts {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-top: 1rem;
}

.browse-toolbar {
  margin: 0;
}

.browse-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.browse-filters input[type='search'] {
  flex: 1 1 220px;
  min-width: 180px;
}

.browse-count {
  margin: 0.75rem 0 0;
  font-size: 0.85rem;
}

.browse-layout {
  display: block;
  min-height: 0;
  flex: 1;
}

.browse-layout.has-detail {
  display: flex;
  align-items: stretch;
  gap: 0;
}

.browse-layout.has-detail .browse-table-wrap {
  flex: 1;
  min-width: 12rem;
}

.detail-resize-handle {
  flex-shrink: 0;
  width: 6px;
  margin: 0 2px;
  border-radius: 4px;
  cursor: col-resize;
  background: transparent;
  position: relative;
  align-self: stretch;
  touch-action: none;
}

.detail-resize-handle::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: -5px;
  right: -5px;
}

.detail-resize-handle:hover,
.detail-resize-handle:focus-visible,
.detail-resize-handle.is-dragging {
  background: rgba(61, 139, 253, 0.45);
}

body.is-resizing-panel {
  cursor: col-resize !important;
  user-select: none;
}

body.is-resizing-panel * {
  cursor: col-resize !important;
}

.browse-table-wrap {
  overflow: auto;
  max-height: calc(100vh - 12rem);
  padding: 0;
}

.drivers-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.drivers-table th,
.drivers-table td {
  padding: 0.65rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.drivers-table th {
  position: sticky;
  top: 0;
  background: var(--panel);
  color: var(--muted);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  z-index: 1;
}

.drivers-table th.sortable {
  padding: 0;
}

.drivers-table .th-sort-btn {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  width: 100%;
  padding: 0.65rem 1rem;
  margin: 0;
  border: none;
  border-radius: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  text-align: left;
  cursor: pointer;
}

.drivers-table .th-sort-btn:hover {
  background: rgba(61, 139, 253, 0.1);
  color: var(--text);
}

.drivers-table th.sorted .th-sort-btn {
  color: var(--accent);
}

.drivers-table .sort-indicator {
  font-size: 0.65rem;
  line-height: 1;
  opacity: 0.9;
  min-width: 0.75rem;
}

.drivers-table tbody tr {
  cursor: pointer;
}

.drivers-table tbody tr:hover {
  background: rgba(61, 139, 253, 0.06);
}

.drivers-table tbody tr.selected {
  background: rgba(61, 139, 253, 0.14);
}

.drivers-table .empty-cell {
  text-align: center;
  padding: 2rem;
}

.drivers-table .mono {
  font-family: ui-monospace, monospace;
  font-size: 0.8rem;
  color: var(--muted);
}

.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  background: rgba(74, 222, 128, 0.15);
  color: var(--success);
  font-size: 0.8rem;
  font-weight: 600;
}

.badge.empty {
  background: rgba(143, 163, 191, 0.15);
  color: var(--muted);
}

.badge.status-active {
  background: rgba(74, 222, 128, 0.15);
  color: var(--success);
}

.badge.status-inactive {
  background: rgba(248, 113, 113, 0.12);
  color: #f87171;
}

.drivers-table tr.driver-inactive td:first-child {
  color: var(--muted);
}

.detail-drawer {
  --detail-panel-width: 420px;
  width: var(--detail-panel-width);
  flex-shrink: 0;
  position: sticky;
  top: 1rem;
  max-height: calc(100vh - 8rem);
  overflow: auto;
  padding: 1rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.detail-drawer-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.detail-drawer-header h2 {
  margin: 0;
  font-size: 1.1rem;
}

.detail-drawer-header button {
  font-size: 1.5rem;
  line-height: 1;
  padding: 0.15rem 0.4rem;
}

.detail-meta p {
  margin: 0.25rem 0;
  font-size: 0.9rem;
}

.detail-drawer h3 {
  margin: 1rem 0 0.5rem;
  font-size: 0.95rem;
}

.detail-contract-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.detail-contract-list li button {
  width: 100%;
  text-align: left;
  background: transparent;
  color: var(--text);
  font-weight: 400;
  border: 1px solid transparent;
  padding: 0.65rem 0.75rem;
  margin-bottom: 0.35rem;
}

.detail-contract-list li button:hover {
  border-color: var(--border);
}

.detail-contract-list li button.active {
  border-color: var(--accent);
  background: rgba(61, 139, 253, 0.12);
}

.contract-meta {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.15rem;
}

#pdf-frame {
  width: 100%;
  height: min(70vh, 720px);
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
}

.pdf-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.pdf-toolbar h3 {
  margin: 0;
  font-size: 1rem;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

a.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.85rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
  transition:
    background 0.15s,
    border-color 0.15s,
    color 0.15s;
}

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

a.btn-link.secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(61, 139, 253, 0.08);
}

a.btn-link.secondary:not(.internal)::after {
  content: '↗';
  font-size: 0.85em;
  opacity: 0.85;
}

@media (max-width: 900px) {
  .page-header-row .btn-toolbar {
    width: 100%;
  }

  .page-header-row .btn-toolbar button {
    flex: 1;
  }

  .meta-grid {
    grid-template-columns: 1fr 1fr;
  }

  .sync-history-wrap {
    max-height: none;
  }

  .data-table .error-cell {
    max-width: 8rem;
  }

  .browse-layout.has-detail {
    flex-direction: column;
  }

  .detail-resize-handle {
    display: none !important;
  }

  .detail-drawer {
    width: 100% !important;
    position: fixed;
    inset: 0;
    top: auto;
    max-height: 85vh;
    z-index: 30;
    border-radius: 12px 12px 0 0;
  }

  .app-header {
    flex-wrap: wrap;
  }

  .main-nav {
    order: 3;
    width: 100%;
  }
}