:root {
  --ep-blue: #003399;
  --ep-gold: #FFCC00;
  --ep-dark: #1a1a2e;
  --ep-light: #f8f9fa;

  --bg-body: #f8f9fa;
  --bg-card: #ffffff;
  --bg-table-header: #f1f3f5;
  --bg-modal-header: var(--ep-blue);
  --text-primary: #212529;
  --text-muted: #6c757d;
  --border-color: #dee2e6;
  --input-bg: #ffffff;
  --input-text: #212529;
  --input-border: #ced4da;
}

body.dark-mode {
  --bg-body: #121212;
  --bg-card: #1e1e1e;
  --bg-table-header: #2a2a2a;
  --bg-modal-header: #1a2a4a;
  --text-primary: #e0e0e0;
  --text-muted: #9e9e9e;
  --border-color: #333333;
  --input-bg: #2a2a2a;
  --input-text: #e0e0e0;
  --input-border: #444444;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-body);
  color: var(--text-primary);
  transition: background-color 0.2s, color 0.2s;
}

/* Dark mode overrides for Bootstrap components */
body.dark-mode .card {
  background-color: var(--bg-card);
  border-color: var(--border-color);
}
body.dark-mode .card-header {
  background-color: var(--bg-table-header);
  border-color: var(--border-color);
  color: var(--text-primary);
}
body.dark-mode .table {
  color: var(--text-primary);
  --bs-table-bg: var(--bg-card);
  --bs-table-striped-bg: var(--bg-table-header);
  --bs-table-hover-bg: #2e2e2e;
  --bs-table-border-color: var(--border-color);
}
body.dark-mode .table-light {
  --bs-table-bg: var(--bg-table-header);
  color: var(--text-primary);
}
body.dark-mode .modal-content {
  background-color: var(--bg-card);
  border-color: var(--border-color);
  color: var(--text-primary);
}
body.dark-mode .modal-body {
  background-color: var(--bg-card);
}
body.dark-mode .form-control,
body.dark-mode .form-select {
  background-color: var(--input-bg);
  color: var(--input-text);
  border-color: var(--input-border);
}
body.dark-mode .form-control:focus,
body.dark-mode .form-select:focus {
  background-color: var(--input-bg);
  color: var(--input-text);
  border-color: var(--ep-gold);
  box-shadow: 0 0 0 0.2rem rgba(255, 204, 0, 0.25);
}
body.dark-mode .list-group-item {
  background-color: var(--bg-card);
  border-color: var(--border-color);
  color: var(--text-primary);
}
body.dark-mode .list-group-item:hover {
  background-color: var(--bg-table-header);
}
body.dark-mode .bg-light {
  background-color: var(--bg-table-header) !important;
  color: var(--text-primary) !important;
}
body.dark-mode .text-muted {
  color: var(--text-muted) !important;
}
body.dark-mode .dropdown-menu {
  background-color: var(--bg-card);
  border-color: var(--border-color);
}
body.dark-mode .nav-tabs {
  border-color: var(--border-color);
}
body.dark-mode .nav-tabs .nav-link:not(.active) {
  color: #9ecaf8 !important;
}
body.dark-mode .alert-success {
  background-color: #1a3a1a;
  color: #a0e0a0;
  border-color: #2a5a2a;
}
body.dark-mode .alert-warning {
  background-color: #3a2a00;
  color: #ffe066;
  border-color: #5a4500;
}
body.dark-mode .alert-danger {
  background-color: #3a1a1a;
  color: #ff9999;
  border-color: #5a2a2a;
}
body.dark-mode td[style*="background:#fff"],
body.dark-mode th[style*="background:#fff"] {
  background: var(--bg-card) !important;
}
body.dark-mode .border-bottom {
  border-color: var(--border-color) !important;
}

/* ── Navbar ───────────────────────────────────────────── */
.navbar {
  background-color: var(--ep-blue) !important;
}
.navbar-brand {
  font-weight: 700;
  color: var(--ep-gold) !important;
}
.navbar .nav-link {
  color: rgba(255, 255, 255, 0.85) !important;
}
.navbar .nav-link:hover,
.navbar .nav-link.active {
  color: var(--ep-gold) !important;
}

/* ── Site selector ────────────────────────────────────── */
.site-selector .btn-check:checked + .btn {
  background-color: var(--ep-gold);
  color: var(--ep-blue);
  border-color: var(--ep-gold);
  font-weight: 700;
}
.site-selector .btn-outline-light {
  color: rgba(255,255,255,0.85);
  border-color: rgba(255,255,255,0.4);
}
.site-selector .btn-outline-light:hover {
  background-color: rgba(255,255,255,0.15);
}

/* ── Tabs ─────────────────────────────────────────────── */
.nav-tabs .nav-link {
  color: var(--ep-blue) !important;
}
.nav-tabs .nav-link.active {
  color: #fff !important;
  background-color: var(--ep-blue) !important;
  border-color: var(--ep-blue) !important;
}
.nav-tabs .nav-link:hover:not(.active) {
  color: var(--ep-blue) !important;
  background-color: #e9ecef;
}

/* ── KPI cards ────────────────────────────────────────── */
.kpi-card {
  border: none;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: transform 0.15s;
}
.kpi-card:hover { transform: translateY(-2px); }
.kpi-value {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--ep-blue);
}
.kpi-label {
  font-size: 0.85rem;
  color: #6c757d;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.kpi-value.text-danger  { color: #dc3545 !important; }
.kpi-value.text-success { color: #28a745 !important; }
.kpi-value.text-warning { color: #fd7e14 !important; }

/* ── Badges ───────────────────────────────────────────── */
.badge {
  font-weight: 500;
  font-size: 0.75em;
}
.badge-ok      { background-color: #28a745; }
.badge-drift   { background-color: #fd7e14; }
.badge-offline { background-color: #dc3545; }
.badge-empty   { background-color: #adb5bd; }

/* Severity badges */
.badge-blocking { background-color: #dc3545; color: #fff; }
.badge-cosmetic { background-color: #6c757d; color: #fff; }

/* Changelog category badges */
.badge-add     { background-color: #28a745; color: #fff; }
.badge-modify  { background-color: #0d6efd; color: #fff; }
.badge-fix     { background-color: #fd7e14; color: #fff; }
.badge-remove  { background-color: #dc3545; color: #fff; }
.badge-breaking{ background-color: #6f42c1; color: #fff; }

/* ── Tables ───────────────────────────────────────────── */
.table th {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: #495057;
}
.table td { vertical-align: middle; }

/* ── Sortable headers ─────────────────────────────────── */
th[data-sort] {
  cursor: pointer;
  user-select: none;
  position: relative;
}
th[data-sort]::after {
  content: '\2195';
  margin-left: 4px;
  opacity: 0.3;
  font-size: 0.75em;
}
th[data-sort="asc"]::after  { content: '\25B2'; opacity: 0.8; }
th[data-sort="desc"]::after { content: '\25BC'; opacity: 0.8; }

/* ── Cards ────────────────────────────────────────────── */
.card-header {
  font-weight: 600;
  background-color: #f1f3f5;
}

/* ── Modal ────────────────────────────────────────────── */
.modal-header {
  background-color: var(--ep-blue);
  color: white;
}
.modal-header .btn-close { filter: invert(1); }
.modal-body { max-height: 75vh; overflow-y: auto; }

/* ── List group active ────────────────────────────────── */
.list-group-item.active {
  background-color: var(--ep-blue) !important;
  border-color: var(--ep-blue) !important;
}

/* ── Changelog entry rows ─────────────────────────────── */
.changelog-entry {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 6px 0;
  border-bottom: 1px solid var(--border-color);
}
.changelog-entry:last-child { border-bottom: none; }
.changelog-entry .badge { flex-shrink: 0; min-width: 60px; text-align: center; }
.changelog-entry .entry-text { flex: 1; font-size: 0.875rem; }

/* ── Dark mode toggle button ──────────────────────────── */
#dark-mode-btn {
  font-size: 1.1rem;
  line-height: 1;
  padding: 3px 8px;
  cursor: pointer;
}

/* ── Toast animation ──────────────────────────────────── */
@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}
#toast-container .alert { font-size: 0.85rem; }

/* ── Timeline ────────────────────────────────────────── */
.timeline { border-left: 3px solid var(--ep-blue); padding-left: 20px; margin-left: 8px; }
.timeline-item { position: relative; margin-bottom: 14px; }
.timeline-item::before { content:''; position:absolute; left:-26px; top:5px; width:10px; height:10px; border-radius:50%; background:var(--ep-blue); border:2px solid var(--bg-card); }
.timeline-date { font-size: .75rem; color: var(--text-muted); }
.timeline-content { font-size: .85rem; }

/* ── Footer ───────────────────────────────────────────── */
footer {
  color: #6c757d;
  font-size: 0.8rem;
}