:root {
  --brand-50:  #f0fdf6;
  --brand-100: #dcfce9;
  --brand-200: #b8f5d3;
  --brand-400: #34d399;
  --brand-500: #10b981;
  --brand-600: #059669;
  --brand-700: #047a56;

  --ink-900: #0f172a;
  --ink-700: #334155;
  --ink-500: #64748b;
  --ink-300: #cbd5e1;
  --ink-200: #e2e8f0;
  --ink-100: #f1f5f9;

  --danger-500: #e11d48;
  --danger-50: #fff1f2;
  --danger-100: #ffe4e6;
  --danger-200: #fecdd3;

  --amber-50: #fffbeb;
  --amber-700: #b45309;

  --surface: #ffffff;
  color-scheme: light;

  --radius-lg: 16px;
  --radius-md: 10px;
  --shadow-card: 0 1px 2px rgba(15, 23, 42, 0.04), 0 12px 32px -12px rgba(15, 23, 42, 0.12);
}

@media (prefers-color-scheme: dark) {
  :root {
    --brand-50: #052e1f;
    --brand-100: #064e3b;
    --brand-200: #0d6b4f;
    --brand-700: #6ee7b7;

    --ink-900: #f1f5f9;
    --ink-700: #cbd5e1;
    --ink-500: #94a3b8;
    --ink-300: #334155;
    --ink-200: #1e293b;
    --ink-100: #172033;

    --danger-500: #fb7185;
    --danger-50: #3f0d16;
    --danger-100: #5c1420;
    --danger-200: #7f1d1d;

    --amber-50: #451a03;
    --amber-700: #fbbf24;

    --surface: #0f172a;
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --brand-50: #052e1f;
  --brand-100: #064e3b;
  --brand-200: #0d6b4f;
  --brand-700: #6ee7b7;

  --ink-900: #f1f5f9;
  --ink-700: #cbd5e1;
  --ink-500: #94a3b8;
  --ink-300: #334155;
  --ink-200: #1e293b;
  --ink-100: #172033;

  --danger-500: #fb7185;
  --danger-50: #3f0d16;
  --danger-100: #5c1420;
  --danger-200: #7f1d1d;

  --amber-50: #451a03;
  --amber-700: #fbbf24;

  --surface: #0f172a;
  color-scheme: dark;
}

:root[data-theme="light"] {
  --brand-50: #f0fdf6;
  --brand-100: #dcfce9;
  --brand-200: #b8f5d3;
  --brand-700: #047a56;

  --ink-900: #0f172a;
  --ink-700: #334155;
  --ink-500: #64748b;
  --ink-300: #cbd5e1;
  --ink-200: #e2e8f0;
  --ink-100: #f1f5f9;

  --danger-500: #e11d48;
  --danger-50: #fff1f2;
  --danger-100: #ffe4e6;
  --danger-200: #fecdd3;

  --amber-50: #fffbeb;
  --amber-700: #b45309;

  --surface: #ffffff;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink-900);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
}

.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(560px 380px at 12% -8%, var(--brand-100), transparent 60%),
    radial-gradient(680px 460px at 108% 108%, var(--brand-50), transparent 55%),
    var(--surface);
}

.auth-card-wrap {
  width: 100%;
  max-width: 400px;
  position: relative;
  z-index: 1;
}

.auth-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
}

.auth-brand-logo {
  height: 56px;
  width: auto;
}

.auth-card {
  background: var(--surface);
  border: 1px solid var(--ink-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 36px 32px;
}

.auth-card__header {
  text-align: center;
  margin-bottom: 26px;
}

.auth-card__title {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--ink-900);
  letter-spacing: -0.01em;
}

.auth-card__subtitle {
  font-size: 14px;
  color: var(--ink-500);
  margin: 0;
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-700);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 11px 14px;
  font-size: 14.5px;
  color: var(--ink-900);
  background: var(--ink-100);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  transition: border-color 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control::placeholder {
  color: var(--ink-500);
}

.form-control:focus {
  outline: none;
  background: var(--surface);
  border-color: var(--brand-500);
  box-shadow: 0 0 0 3px var(--brand-100);
}

.form-control.is-invalid {
  background: var(--danger-50);
  border-color: var(--danger-200);
}

.form-control.is-invalid:focus {
  border-color: var(--danger-500);
  box-shadow: 0 0 0 3px var(--danger-100);
}

.field-error {
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  color: var(--danger-500);
}

.form-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
  font-size: 13.5px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-700);
  cursor: pointer;
  user-select: none;
}

.checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--brand-600);
  cursor: pointer;
}

.auth-link {
  color: var(--brand-600);
  text-decoration: none;
  font-weight: 600;
}

.auth-link:hover {
  color: var(--brand-700);
  text-decoration: underline;
}

.btn-primary {
  width: 100%;
  padding: 12px 16px;
  font-size: 14.5px;
  font-weight: 600;
  color: #ffffff;
  background: linear-gradient(135deg, var(--brand-500), var(--brand-600));
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: transform 0.05s ease, box-shadow 0.15s ease, filter 0.15s ease;
  box-shadow: 0 8px 20px -8px rgba(5, 150, 105, 0.55);
}

.btn-primary:hover {
  filter: brightness(1.05);
}

.btn-primary:active {
  transform: translateY(1px);
}

.auth-card__footer {
  text-align: center;
  margin-top: 22px;
  font-size: 13.5px;
  color: var(--ink-500);
}

.alert {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  font-size: 13.5px;
  margin-bottom: 20px;
}

.alert-success {
  background: var(--brand-50);
  color: var(--brand-700);
  border: 1px solid var(--brand-200);
}

.alert-error {
  background: var(--danger-50);
  color: var(--danger-500);
  border: 1px solid var(--danger-200);
}

.alert-warning {
  background: var(--amber-50);
  color: var(--amber-700);
  border: 1px solid var(--amber-700);
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.alert-warning .btn-outline {
  flex-shrink: 0;
}

.auth-footnote {
  text-align: center;
  margin-top: 24px;
  font-size: 12.5px;
  color: var(--ink-500);
}

/* ---------- App shell ---------- */

.app-shell {
  min-height: 100vh;
  display: flex;
  background: var(--surface);
}

.sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--surface);
  border-right: 1px solid var(--ink-200);
  display: flex;
  flex-direction: column;
  padding: 20px 14px;
}

.sidebar__brand {
  display: flex;
  align-items: center;
  padding: 6px 10px 22px;
}

.sidebar__brand-logo {
  height: 40px;
  width: auto;
}

.sidebar__section-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-500);
  padding: 14px 10px 6px;
}

.sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-700);
  text-decoration: none;
  transition: background-color 0.12s ease, color 0.12s ease;
}

.sidebar__link:hover {
  background: var(--ink-100);
  color: var(--ink-900);
}

.sidebar__link.is-active {
  background: var(--brand-50);
  color: var(--brand-700);
  font-weight: 600;
}

.sidebar__link svg {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
}

.sidebar__footer {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--ink-200);
}

.app-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.app-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  border-bottom: 1px solid var(--ink-200);
}

.app-topbar__org {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink-900);
}

.app-topbar__org-logo {
  height: 28px;
  width: auto;
  max-width: 120px;
  object-fit: contain;
  border-radius: 4px;
}

.app-topbar__user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.app-topbar__clock {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-500);
  font-variant-numeric: tabular-nums;
}

.header-location {
  position: relative;
}

.header-location summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-500);
}

.header-location summary::-webkit-details-marker {
  display: none;
}

.header-location summary svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

.header-location summary:hover {
  color: var(--brand-700);
}

.header-location__panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 30;
  width: 260px;
  background: var(--surface);
  border: 1px solid var(--ink-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 14px;
}

.user-chip {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  line-height: 1.3;
  text-decoration: none;
  cursor: pointer;
  padding: 4px 8px;
  margin: -4px -8px;
  border-radius: var(--radius-md);
  transition: background-color 0.12s ease;
}

.user-chip:hover {
  background: var(--ink-100);
}

.user-chip:hover .user-chip__name {
  color: var(--brand-700);
}

.user-chip__name {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-900);
  transition: color 0.12s ease;
}

.user-chip__role {
  font-size: 12px;
  color: var(--ink-500);
}

.theme-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  background: var(--surface);
  color: var(--ink-700);
  border: 1px solid var(--ink-200);
  border-radius: var(--radius-md);
  cursor: pointer;
}

.theme-toggle-btn:hover {
  background: var(--ink-100);
}

.theme-toggle-btn svg {
  width: 17px;
  height: 17px;
}

.btn-logout {
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-700);
  background: var(--ink-100);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
}

.btn-logout:hover {
  background: var(--ink-200);
}

.app-content {
  padding: 28px 32px 48px;
  max-width: 1180px;
  width: 100%;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
  gap: 16px;
  flex-wrap: wrap;
}

.page-header__title {
  font-size: 21px;
  font-weight: 700;
  color: var(--ink-900);
  margin: 0 0 4px;
  letter-spacing: -0.01em;
}

.page-header__subtitle {
  font-size: 13.5px;
  color: var(--ink-500);
  margin: 0;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  font-size: 13.5px;
  font-weight: 600;
  color: #ffffff;
  background: linear-gradient(135deg, var(--brand-500), var(--brand-600));
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 6px 16px -8px rgba(5, 150, 105, 0.55);
}

.btn-secondary:hover {
  filter: brightness(1.05);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 15px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-700);
  background: var(--surface);
  border: 1px solid var(--ink-300);
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
}

.btn-outline:hover {
  background: var(--ink-100);
}

.btn-link-danger {
  color: var(--danger-500);
  background: none;
  border: none;
  padding: 8px 12px;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  border-radius: var(--radius-md);
}

.btn-link-danger:hover {
  background: var(--danger-50);
}

.card {
  background: var(--surface);
  border: 1px solid var(--ink-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 24px 26px;
  overflow-x: auto;
}

.card + .card {
  margin-top: 20px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--ink-200);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
}

.stat-card__label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-500);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 8px;
}

.stat-card__value {
  font-size: 26px;
  font-weight: 700;
  color: var(--ink-900);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

.data-table th {
  text-align: left;
  padding: 10px 14px;
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-500);
  border-bottom: 1px solid var(--ink-200);
}

.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--ink-100);
  color: var(--ink-700);
}

.data-table tbody tr:hover {
  background: var(--ink-100);
}

.data-table__empty {
  padding: 32px 14px;
  text-align: center;
  color: var(--ink-500);
}

.data-table__icon-col {
  width: 32px;
  padding-right: 0;
}

.data-table__icon-col svg {
  width: 19px;
  height: 19px;
  color: var(--ink-500);
  display: block;
}

.data-table__detail-row td {
  padding-top: 0;
  border-bottom: 1px solid var(--ink-100);
}

.toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.toolbar > details {
  position: relative;
}

.toolbar summary {
  list-style: none;
  cursor: pointer;
}

.toolbar summary::-webkit-details-marker {
  display: none;
}

.toolbar__panel {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  z-index: 20;
  width: 320px;
  background: var(--surface);
  border: 1px solid var(--ink-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 18px;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-green {
  background: var(--brand-100);
  color: var(--brand-700);
}

.badge-gray {
  background: var(--ink-100);
  color: var(--ink-700);
}

.badge-red {
  background: var(--danger-50);
  color: var(--danger-500);
}

.badge-amber {
  background: var(--amber-50);
  color: var(--amber-700);
}

.table-actions {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
}

.table-actions form {
  display: inline;
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 10px 18px;
}

.checkbox-tile {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--ink-200);
  border-radius: var(--radius-md);
  cursor: pointer;
}

.checkbox-tile:hover {
  border-color: var(--brand-400);
}

.checkbox-tile input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin-top: 2px;
  accent-color: var(--brand-600);
  flex-shrink: 0;
}

.checkbox-tile__name {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-900);
  display: block;
}

.checkbox-tile__desc {
  font-size: 12px;
  color: var(--ink-500);
  margin: 0;
}

.form-grid {
  display: flex;
  flex-direction: column;
  gap: 18px;
  max-width: 560px;
}

.form-grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

@media (max-width: 720px) {
  .sidebar {
    display: none;
  }

  .form-grid-2col {
    grid-template-columns: 1fr;
  }
}

/* ---------- Session timeout warning ---------- */

.session-timeout-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 24px;
}

.session-timeout-overlay.is-visible {
  display: flex;
}

.session-timeout-modal {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 32px;
  max-width: 380px;
  width: 100%;
  text-align: center;
}

.session-timeout-modal__title {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 10px;
  color: var(--ink-900);
}

.session-timeout-modal__text {
  font-size: 13.5px;
  color: var(--ink-500);
  margin: 0 0 18px;
  line-height: 1.5;
}

.session-timeout-modal__countdown {
  font-size: 36px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--danger-500);
  margin: 0 0 24px;
}

.session-timeout-modal__actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 16px 20px;
  border-top: 1px solid var(--ink-200);
}

.pagination__info {
  font-size: 13px;
  color: var(--ink-500);
}

.pagination .is-disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.table-search {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  max-width: 380px;
}

.table-search .form-control {
  flex: 1;
}

.is-loading {
  visibility: hidden;
  position: relative;
  pointer-events: none;
}

.is-loading::after {
  visibility: visible;
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 15px;
  height: 15px;
  margin: -8px 0 0 -8px;
  border: 2px solid var(--ink-300);
  border-top-color: var(--ink-700);
  border-radius: 50%;
  animation: btn-spin 0.6s linear infinite;
}

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