:root {
  --brand: #1a3a5c;
  --brand-light: #2d5a8e;
  --brand-pale: #e8f0f8;
  --green: #2e7d32;
  --green-bg: #e8f5e9;
  --amber: #e65100;
  --amber-bg: #fff3e0;
  --red: #c62828;
  --red-bg: #ffebee;
  --grey: #546e7a;
  --border: #dde3e9;
  --bg: #f4f6f9;
  --card-bg: #ffffff;
  --text: #1c2b3a;
  --text-muted: #607d8b;
  --shadow: 0 1px 4px rgba(0,0,0,0.08);
  --radius: 8px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ─────────────────────────────────────────────────────────────── */
.sidebar {
  width: 220px;
  min-height: 100vh;
  background: var(--brand);
  color: #fff;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
}

.sidebar-logo {
  padding: 20px 18px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.sidebar-logo h1 {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.3;
  color: #fff;
}

.sidebar-logo span {
  font-size: 11px;
  opacity: 0.65;
  font-weight: 400;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 0;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  font-size: 13.5px;
  transition: background 0.15s, color 0.15s;
}

.sidebar-nav a:hover, .sidebar-nav a.active {
  background: rgba(255,255,255,0.12);
  color: #fff;
}

.sidebar-nav a .icon { font-size: 16px; min-width: 20px; }

.sidebar-footer {
  padding: 14px 18px;
  border-top: 1px solid rgba(255,255,255,0.12);
  font-size: 11px;
  opacity: 0.85;
}

/* ── Main layout ─────────────────────────────────────────────────────────── */
.main {
  margin-left: 220px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar h2 { font-size: 17px; font-weight: 600; color: var(--brand); }
.topbar-actions { display: flex; gap: 10px; }

.content { padding: 28px; flex: 1; }

/* ── Cards ───────────────────────────────────────────────────────────────── */
.cards { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); margin-bottom: 24px; }

.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px 22px;
  border: 1px solid var(--border);
}

.card-stat { text-align: center; }
.card-stat .value { font-size: 34px; font-weight: 700; color: var(--brand); line-height: 1; }
.card-stat .label { font-size: 12px; color: var(--text-muted); margin-top: 4px; text-transform: uppercase; letter-spacing: 0.5px; }
.card-stat.red .value { color: var(--red); }

/* Clickable KPI cards (dashboard → filtered list) */
.card-link { cursor: pointer; transition: transform 0.1s ease, box-shadow 0.15s ease; position: relative; }
.card-link:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(0,0,0,0.12); }
.card-link::after { content: '↗'; position: absolute; top: 10px; right: 12px; font-size: 13px; color: var(--text-muted); opacity: 0.5; }
.card-stat.amber .value { color: var(--amber); }
.card-stat.green .value { color: var(--green); }

/* ── Tables ──────────────────────────────────────────────────────────────── */
.table-wrapper {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  overflow: hidden;
}

.table-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.table-header h3 { font-size: 14px; font-weight: 600; }

table { width: 100%; border-collapse: collapse; }
thead th {
  background: var(--bg);
  padding: 9px 12px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

tbody tr { border-bottom: 1px solid var(--border); transition: background 0.1s; }
tbody tr:hover { background: var(--brand-pale); }
tbody tr:last-child { border-bottom: none; }
tbody td { padding: 9px 12px; font-size: 13px; vertical-align: middle; }

/* ── Badges ──────────────────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
}

.badge-green { background: var(--green-bg); color: var(--green); }
.badge-amber { background: var(--amber-bg); color: var(--amber); }
.badge-red { background: var(--red-bg); color: var(--red); }
.badge-grey { background: #eceff1; color: #546e7a; }
.badge-blue { background: var(--brand-pale); color: var(--brand); }

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: opacity 0.15s, box-shadow 0.15s;
}

.btn:hover { opacity: 0.88; }
.btn-primary { background: var(--brand); color: #fff; }
.btn-success { background: var(--green); color: #fff; }
.btn-warning { background: var(--amber); color: #fff; }
.btn-danger { background: var(--red); color: #fff; }
.btn-ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-icon { padding: 5px 8px; }

/* ── Forms ───────────────────────────────────────────────────────────────── */
.form-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group.full { grid-column: 1 / -1; }
label { font-size: 12px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.4px; }

input, select, textarea {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  color: var(--text);
  background: #fff;
  transition: border-color 0.15s;
  width: 100%;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--brand-light);
  box-shadow: 0 0 0 3px rgba(45, 90, 142, 0.12);
}

textarea { min-height: 80px; resize: vertical; }

.form-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  margin-top: 8px;
}

/* ── Modal ───────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
}

.modal-overlay.open { display: flex; }

.modal {
  background: var(--card-bg);
  border-radius: 10px;
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
}

.modal-header {
  padding: 18px 22px 14px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 { font-size: 16px; font-weight: 600; }
.modal-close { background: none; border: none; font-size: 20px; cursor: pointer; color: var(--text-muted); padding: 2px 6px; border-radius: 4px; }
.modal-close:hover { background: var(--bg); }
.modal-body { padding: 22px; }

/* ── Misc ────────────────────────────────────────────────────────────────── */
.search-bar { display: flex; gap: 8px; align-items: center; }
.search-bar input { max-width: 240px; }

.empty-state { text-align: center; padding: 48px 20px; color: var(--text-muted); }
.empty-state .icon { font-size: 40px; margin-bottom: 10px; }
.empty-state p { font-size: 14px; }

.row-actions { display: flex; gap: 6px; }

.section-gap { margin-top: 28px; }
.mb-16 { margin-bottom: 16px; }
.text-muted { color: var(--text-muted); }
.text-right { text-align: right; }
.font-mono { font-family: 'SF Mono', 'Fira Code', monospace; font-size: 12px; }

.parts-list { font-size: 12px; color: var(--text-muted); }
.parts-list li { list-style: none; padding: 1px 0; }

.detail-section { margin-bottom: 24px; }
.detail-section h4 { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted); margin-bottom: 10px; padding-bottom: 6px; border-bottom: 1px solid var(--border); }

.kv-table { width: 100%; border-collapse: collapse; }
.kv-table td { padding: 5px 0; font-size: 13px; }
.kv-table td:first-child { font-weight: 600; color: var(--text-muted); width: 140px; }

.toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: #222;
  color: #fff;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 13px;
  z-index: 999;
  transform: translateY(80px);
  opacity: 0;
  transition: transform 0.25s, opacity 0.25s;
}

.toast.show { transform: translateY(0); opacity: 1; }
.toast.success { background: var(--green); }
.toast.error { background: var(--red); }

.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.filter-bar select { max-width: 180px; }

/* Admin-only controls are hidden from standard users (server also enforces this) */
body.role-user .admin-only { display: none !important; }

/* ── Mobile / responsive (phone + small tablet) ──────────────────────────── */
/* Hamburger button (injected by session.js) and drawer backdrop. */
#menu-toggle {
  display: none;
  background: none;
  border: 0;
  font-size: 22px;
  line-height: 1;
  color: var(--brand);
  cursor: pointer;
  padding: 4px 6px;
  margin-right: 4px;
}
#sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 90;
}
#sidebar-backdrop.show { display: block; }

@media (max-width: 768px) {
  #menu-toggle { display: block; }

  /* Sidebar becomes an off-canvas slide-in drawer */
  .sidebar {
    width: 250px;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    box-shadow: 2px 0 14px rgba(0,0,0,0.3);
    overflow-y: auto;                  /* drawer scrolls so the footer is reachable */
    -webkit-overflow-scrolling: touch;
  }
  .sidebar.open { transform: translateX(0); }
  /* Don't stretch the nav to fill height — keeps the footer (Change password /
     Sign out) in reach instead of pinned under the iOS Safari toolbar. */
  .sidebar-nav { flex: 0 0 auto; }
  .sidebar-footer { padding-bottom: calc(16px + env(safe-area-inset-bottom)); }

  .main { margin-left: 0; }

  .topbar {
    padding: 12px 14px;
    justify-content: flex-start;
    gap: 10px;
  }
  .topbar h2 { font-size: 16px; }
  .topbar-actions { margin-left: auto; }

  .content { padding: 14px; }

  /* Stat cards: two-up instead of squashing many across */
  .cards { grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 16px; }
  .card { padding: 14px 16px; }
  .card-stat .value { font-size: 26px; }

  /* Dashboard side-by-side panels stack vertically */
  .dash-grid { grid-template-columns: 1fr !important; }

  /* Modals: keep a margin from the screen edge and never exceed the viewport. */
  .modal-overlay { padding: 12px; }
  .modal { max-width: 100% !important; }

  /* iOS zooms the page in when focusing an input whose text is < 16px — which
     pushes things (e.g. the sign-off box) out of view. Force 16px to prevent it. */
  input, select, textarea { font-size: 16px; }

  /* Any inline multi-column grid (detail views, two-up panels) collapses to a
     single column on phones — stops the page being wider than the screen. */
  [style*="grid-template-columns"] { grid-template-columns: 1fr !important; }

  /* ── Data tables become stacked cards (no horizontal scrolling) ──────────
     Each row turns into a labelled block; the column header is shown beside
     each value via the data-label injected by session.js. Detail key/value
     tables (.kv-table) keep their normal layout. */
  .table-wrapper { overflow: visible; }
  table:not(.kv-table) thead { display: none; }
  table:not(.kv-table),
  table:not(.kv-table) tbody,
  table:not(.kv-table) tr,
  table:not(.kv-table) td { display: block; width: auto; }
  table:not(.kv-table) tr {
    border: 1px solid var(--border);
    border-radius: 10px;
    margin: 10px;
    padding: 4px 12px;
    background: var(--card-bg);
    box-shadow: var(--shadow);
  }
  table:not(.kv-table) td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    padding: 8px 0;
    border: none;
    border-bottom: 1px solid var(--border);
    text-align: right;
    min-height: 20px;
    overflow-wrap: anywhere;
  }
  table:not(.kv-table) td:last-child { border-bottom: 0; }
  table:not(.kv-table) td::before {
    content: attr(data-label);
    font-weight: 600;
    color: var(--text-muted);
    text-align: left;
    flex: 0 0 40%;
    text-transform: uppercase;
    font-size: 10.5px;
    letter-spacing: 0.3px;
  }
  /* Empty cells / the actions cell don't need the label gap pushing them */
  table:not(.kv-table) td:empty { display: none; }

  /* Action cells (buttons): drop the label and let buttons use the full width */
  table:not(.kv-table) td[data-label="Actions"],
  table:not(.kv-table) td:has(.btn),
  table:not(.kv-table) td:has(button) {
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 8px;
  }
  table:not(.kv-table) td[data-label="Actions"]::before,
  table:not(.kv-table) td:has(.btn)::before,
  table:not(.kv-table) td:has(button)::before { display: none; }
  table:not(.kv-table) td .row-actions { flex-wrap: wrap; justify-content: flex-end; }
  table:not(.kv-table) td .btn { white-space: nowrap; }

  .form-grid { grid-template-columns: 1fr; }
  .filter-bar select { max-width: none; flex: 1; }
  .filter-bar { gap: 8px; }
}

@media (max-width: 430px) {
  .cards { grid-template-columns: 1fr; }
}

/* Mobile "Sort by…" dropdown (injected by session.js) — hidden on desktop */
.mobile-sort-bar { display: none; margin: 0 10px 6px; }
.mobile-sort { width: 100%; }
@media (max-width: 768px) { .mobile-sort-bar { display: block; } }

/* ── Sortable table headers (all viewports) ──────────────────────────────── */
th.sortable { cursor: pointer; user-select: none; white-space: nowrap; }
th.sortable:hover { color: var(--brand); }
th.sortable .sort-ind { opacity: 0.5; font-size: 10px; margin-left: 3px; }
th.sortable.sorted .sort-ind { opacity: 1; }