:root {
  --navy: #16294E;
  --navy-deep: #0F1D3A;
  --orange: #F5891F;
  --orange-hover: #E07B12;
  --orange-tint: #FFF3E3;
  --cloud: #F7F9FC;
  --border: #E5E9F1;
  --slate: #4C5D7D;
  --slate-soft: #7A8AA6;
  --danger: #C0392B;
  --danger-bg: #FBEBE9;

  /* Kept for any markup still referencing the old names. */
  --brand-primary: var(--navy);
  --brand-primary-hover: var(--navy-deep);
  --brand-bg: var(--cloud);
  --brand-border: var(--border);
  --brand-text: var(--navy);
  --brand-muted: var(--slate);
  --brand-success: #16a34a;
  --brand-danger: var(--danger);
  --brand-warning: #d97706;
  --brand-radius: 14px;
}

html {
  font-size: 15px;
}

body {
  background-color: var(--cloud);
  color: var(--navy);
  font-family: 'Archivo', system-ui, -apple-system, "Segoe UI", sans-serif;
  min-height: 100vh;
}

/* ===== Navbar ===== */

.app-navbar {
  background-color: var(--navy);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.app-navbar .navbar-brand {
  color: #fff;
  font-weight: 800;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.app-navbar .navbar-brand img {
  width: 26px;
  height: 26px;
  object-fit: contain;
  flex-shrink: 0;
}

.app-navbar .navbar-brand .accent {
  color: var(--orange);
}

.app-navbar .nav-link {
  color: rgba(255, 255, 255, 0.82);
  font-weight: 500;
  border-radius: var(--brand-radius);
  padding: 0.45rem 0.9rem !important;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.app-navbar .nav-link:hover {
  color: #fff;
  background-color: rgba(255, 255, 255, 0.1);
}

.app-navbar .nav-link.active {
  color: #fff;
  background-color: var(--orange);
}

.app-navbar .navbar-toggler {
  border-color: rgba(255, 255, 255, 0.3);
}

.app-navbar .user-chip {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9rem;
}

/* ===== Page header ===== */

.page-header {
  margin-bottom: 1.5rem;
}

.page-header h1 {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--navy);
  margin-bottom: 0.15rem;
}

.page-header .page-subtitle {
  color: var(--slate);
  font-size: 0.92rem;
}

/* ===== Stat tiles ===== */

.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.stat-tile {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--brand-radius);
  padding: 1.1rem 1.25rem;
  box-shadow: 0 1px 2px rgba(22, 41, 78, 0.04);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.stat-tile:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(22, 41, 78, 0.08);
}

.stat-tile .stat-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--slate-soft);
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.stat-tile .stat-value {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--navy);
  line-height: 1.1;
}

.stat-tile.accent-primary .stat-value { color: var(--navy); }
.stat-tile.accent-success .stat-value { color: #22C55E; }
.stat-tile.accent-warning .stat-value { color: var(--orange); }

/* ===== Cards / panels ===== */

.panel-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--brand-radius);
  box-shadow: 0 1px 2px rgba(22, 41, 78, 0.04);
  padding: 1.25rem;
}

/* ===== Tables ===== */

.table-modern {
  margin-bottom: 0;
}

.table-modern thead th {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--slate-soft);
  font-weight: 700;
  border-bottom: 1px solid var(--border);
  padding-top: 0;
}

.table-modern tbody td {
  vertical-align: middle;
  border-color: var(--border);
}

.table-modern tbody tr:hover {
  background-color: var(--cloud);
}

/* ===== Buttons ===== */

.btn-brand {
  background-color: var(--orange);
  border-color: var(--orange);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(245, 137, 31, .25);
}

.btn-brand:hover {
  background-color: var(--orange-hover);
  border-color: var(--orange-hover);
  color: #fff;
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.15rem rgba(245, 137, 31, 0.25);
}

.form-control:focus {
  border-color: var(--orange);
}

/* ===== Empty state ===== */

.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--slate-soft);
}

.empty-state svg {
  opacity: 0.35;
  margin-bottom: 0.75rem;
}

.empty-state .empty-title {
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.25rem;
}

/* ===== Footer ===== */

.app-footer {
  color: var(--slate-soft);
  font-size: 0.85rem;
  padding: 1.5rem 0;
}

/* ===== Install banner (PWA) ===== */

.install-banner {
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: calc(12px + env(safe-area-inset-bottom, 0px));
  z-index: 1050;
  display: flex;
  align-items: center;
  gap: 12px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--brand-radius);
  box-shadow: 0 12px 32px rgba(22, 41, 78, .18);
  padding: 12px 14px;
  max-width: 420px;
  margin: 0 auto;
}

.install-banner-icon {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  flex: none;
}

.install-banner-text {
  flex: 1;
  font-size: 0.85rem;
  color: var(--navy);
  line-height: 1.35;
}

.install-banner-actions {
  display: flex;
  flex: none;
  gap: 6px;
}

.btn-brand-sm {
  background-color: var(--orange);
  border: none;
  color: #fff;
  font-weight: 700;
  font-size: 0.82rem;
  padding: 0.4rem 0.8rem;
  border-radius: 8px;
  cursor: pointer;
}

.btn-brand-sm:hover { background-color: var(--orange-hover); }

.install-banner .btn-text {
  border: none;
  background: none;
  color: var(--slate);
  font-size: 0.82rem;
  cursor: pointer;
  padding: 0.4rem 0.4rem;
}

.install-banner-close {
  flex: none;
  border: none;
  background: none;
  color: var(--slate-soft);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 2px;
  align-self: flex-start;
}

/* ===== Mobile ===== */

@media (max-width: 576px) {
  .panel-card {
    padding: 1rem;
  }

  .stat-tile {
    padding: 0.9rem 1rem;
  }

  .stat-tile .stat-value {
    font-size: 1.35rem;
  }

  .page-header h1 {
    font-size: 1.3rem;
  }

  /* Forms built from Bootstrap's row/col-auto (search + date-range filters) fit a desktop toolbar
     layout - on a phone width each field should take the full row instead of squeezing sideways. */
  .panel-card form.row > [class^="col-"],
  .panel-card form.row > [class*=" col-"] {
    width: 100%;
  }

  /* Approve/Reject/Search buttons are the primary touch targets on this app - keep them thumb-sized
     even where Bootstrap's btn-sm would otherwise shrink them. */
  .table-modern .btn,
  .panel-card form .btn {
    min-height: 38px;
  }

  .install-banner {
    left: 8px;
    right: 8px;
    bottom: calc(8px + env(safe-area-inset-bottom, 0px));
    padding: 10px 12px;
  }
}