/* Stack design system tokens */
:root {
  --navy:         #1a1a2e;
  --gold:         #c9a84c;
  --body-bg:      #f4f5f7;
  --card-bg:      #ffffff;
  --text-primary: #1a1a2e;
  --text-muted:   #6b7280;
  --border:       #e5e7eb;
  --radius:       8px;
  --shadow-sm:    0 1px 3px rgba(0,0,0,0.08);
  --shadow-md:    0 4px 12px rgba(0,0,0,0.12);

  /* App theme — dark green for finance */
  --app-primary:       #065f46;
  --app-primary-light: #059669;
  --app-primary-dark:  #064e3b;

  /* UpdateBanner aliases */
  --sidebar:    var(--navy);
  --text-light: #ffffff;
  --accent:     var(--gold);

  /* Layout */
  --sidebar-w: 200px;
  --topbar-h:  56px;
}

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

html, body, #root {
  height: 100%;
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--body-bg);
  color: var(--text-primary);
  font-size: 14px;
}

::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

/* ── App shell ──────────────────────────────────────────────────── */
.app-shell {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ── Sidebar ────────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--navy);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow-y: auto;
}

.sidebar-logo {
  padding: 20px 16px 12px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-nav {
  padding: 8px 0;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  color: rgba(255,255,255,0.65);
  cursor: pointer;
  font-size: 13px;
  border-left: 3px solid transparent;
  transition: all 0.15s;
  user-select: none;
}

.nav-item:hover {
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.9);
}

.nav-item.active {
  background: rgba(201,168,76,0.12);
  color: var(--gold);
  border-left-color: var(--gold);
  font-weight: 500;
}

.sidebar-footer { padding: 12px 16px; border-top: 1px solid rgba(255,255,255,0.08); display: flex; align-items: center; gap: 8px; }
.sidebar-user-name { color: #ffffff; font-size: 12px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sidebar-user { color: rgba(255,255,255,0.5); font-size: 11px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sidebar-logout { color: rgba(255,255,255,0.5); display: flex; align-items: center; background: none; border: none; cursor: pointer; padding: 4px; flex-shrink: 0; }
.sidebar-logout:hover { color: var(--gold); }

/* ── Content area ───────────────────────────────────────────────── */
.content {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
}

/* ── Cards ──────────────────────────────────────────────────────── */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 20px;
  margin-bottom: 20px;
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 16px;
}

/* ── Summary cards ──────────────────────────────────────────────── */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.summary-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 16px;
}

.summary-card .label {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.summary-card .value {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.1;
}

.summary-card .sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ── Tables ─────────────────────────────────────────────────────── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table th {
  text-align: left;
  padding: 8px 12px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table th.right,
.data-table td.right { text-align: right; }

.data-table td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
}

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

.data-table tr.total-row td {
  font-weight: 700;
  border-top: 2px solid var(--border);
  border-bottom: none;
}

.data-table tr:hover:not(.total-row) td {
  background: var(--body-bg);
}

/* ── Traffic lights ─────────────────────────────────────────────── */
.pct-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 600;
}
.pct-green  { background: #d1fae5; color: #065f46; }
.pct-amber  { background: #fef3c7; color: #92400e; }
.pct-red    { background: #fee2e2; color: #991b1b; }

.variance-over  { color: #dc2626; font-weight: 600; }
.variance-under { color: #059669; font-weight: 600; }

/* ── Partial / forecast ─────────────────────────────────────────── */
.partial-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--body-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  margin-left: 6px;
  vertical-align: middle;
}

/* ── Buttons ────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: opacity 0.15s;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn:hover:not(:disabled) { opacity: 0.88; }

.btn-primary {
  background: var(--app-primary);
  color: #fff;
}
.btn-secondary {
  background: var(--body-bg);
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-gold {
  background: var(--gold);
  color: var(--navy);
}

/* ── Page header ────────────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

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

/* ── Week / month selector ──────────────────────────────────────── */
.period-nav {
  display: flex;
  align-items: center;
  gap: 10px;
}

.period-label {
  font-size: 14px;
  font-weight: 600;
  min-width: 150px;
  text-align: center;
}

/* ── Form elements ──────────────────────────────────────────────── */
input[type="number"], input[type="text"] {
  width: 100%;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  color: var(--text-primary);
  background: var(--card-bg);
}

input[type="number"]:focus,
input[type="text"]:focus {
  outline: 2px solid var(--app-primary-light);
  border-color: var(--app-primary-light);
}

/* ── Footnote ───────────────────────────────────────────────────── */
.footnote {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 8px;
  font-style: italic;
}

/* ── Recharts tooltip/legend stacking ──────────────────────────────
   Tooltip and legend wrappers are both absolutely positioned by
   Recharts; without this the legend (later in DOM order) sits above
   the tooltip when they overlap. */
.recharts-tooltip-wrapper {
  z-index: 10;
}
.recharts-legend-wrapper {
  z-index: 1;
}

/* ── Dept detail modal ──────────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  width: min(600px, 95vw);
  max-height: 85vh;
  overflow-y: auto;
  padding: 24px;
}
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}
.modal-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}
.modal-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 3px;
}
.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 0;
  line-height: 1;
  flex-shrink: 0;
}
.modal-close:hover { color: var(--text-primary); }
.modal-body-state {
  text-align: center;
  color: var(--text-muted);
  padding: 32px 0;
  font-size: 14px;
}

/* ── Section row label (Monthly two-row cards) ──────────────────── */
.section-row-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
  margin-top: 4px;
}

/* ── PY collapse toggle ─────────────────────────────────────────── */
.py-collapse-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  padding: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
}
.py-collapse-toggle:hover { color: var(--text-primary); }

/* ── Loading/error states ───────────────────────────────────────── */
.state-center {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 200px;
  color: var(--text-muted);
  font-size: 14px;
}

/* ── Top bar + burger (mobile only) ────────────────────────────── */
.top-bar {
  display: none;
  height: var(--topbar-h);
  background: var(--navy);
  color: #fff;
  align-items: center;
  padding: 0 12px;
  gap: 10px;
  flex-shrink: 0;
}

.top-bar-title {
  flex: 1;
  font-size: 15px;
  font-weight: 600;
  color: var(--gold);
}

.top-bar-burger {
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  padding: 4px;
  flex-shrink: 0;
}

.menu-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 199;
}

/* ── Mobile breakpoint ──────────────────────────────────────────── */
@media (max-width: 640px) {
  .app-shell   { flex-direction: column; }
  .top-bar     { display: flex; }

  .sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 200;
    transform: translateX(calc(-1 * var(--sidebar-w)));
    transition: transform 0.25s ease;
  }
  .app-shell.menu-open .sidebar { transform: translateX(0); }

  .content {
    padding: 12px;
  }

  .card {
    padding: 12px;
    overflow-x: auto;
  }

  .summary-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 14px;
  }

  .summary-card .value { font-size: 18px; }

  .page-title  { font-size: 17px; }

  .period-label {
    font-size: 12px;
    min-width: 110px;
  }
}