:root {
  --tf-accent-soft: rgba(55, 71, 79, 0.12);
  --tf-accent-wash: rgba(55, 71, 79, 0.05);
  --tf-border: #dedbd5;
  --tf-card-bg: #ffffff;
  --tf-input-bg: #faf9f7;
}

.wdh-main {
  box-sizing: border-box;
  max-width: 46rem;
  margin-inline: auto;
  padding: 2rem 1.25rem 4rem;
}

.wdh-form {
  display: block;
}

.wdh-mode-panel {
  display: block;
}

.wdh-app-card {
  box-sizing: border-box;
  margin-inline: auto;
  max-width: 46rem;
  background: var(--tf-surface);
  border: 1px solid var(--tf-rule);
  border-radius: 2px;
  padding: 1.75rem;
  margin-bottom: 2.5rem;
}

.wdh-top-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--tf-rule);
}

.wdh-mode-selector {
  display: inline-flex;
  background: var(--tf-accent-wash);
  padding: 3px;
  border-radius: 2px;
  border: 1px solid var(--tf-accent-soft);
}

.wdh-tab-btn {
  background: transparent;
  border: none;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.45rem 1rem;
  border-radius: 2px;
  cursor: pointer;
  color: var(--tf-ink-soft);
  transition: all 0.15s ease;
}

.wdh-tab-btn.active {
  background: var(--tf-surface);
  color: var(--tf-ink);
  box-shadow: none;
}

.wdh-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1rem;
}

.wdh-grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1rem;
}

.wdh-form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.wdh-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--tf-ink);
}

.wdh-sublabel {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--tf-ink-soft);
  margin-bottom: 0.5rem;
  display: block;
}

.wdh-input,
.wdh-select {
  background: var(--tf-surface);
  border: 1px solid var(--tf-rule);
  color: var(--tf-ink);
  font-size: 0.95rem;
  padding: 0.6rem 0.75rem;
  border-radius: 2px;
  font-family: inherit;
  width: 100%;
  box-sizing: border-box;
}

.wdh-input:focus,
.wdh-select:focus {
  outline: none;
  border-color: var(--tf-accent);
}

.wdh-form-checkboxes {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 1.25rem;
}

.wdh-checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--tf-ink);
  cursor: pointer;
}

.wdh-checkbox-label input[type="checkbox"] {
  accent-color: var(--tf-accent);
}

.wdh-config-box {
  background: var(--tf-accent-wash);
  border: 1px solid var(--tf-accent-soft);
  border-radius: 2px;
  padding: 1.25rem;
  margin: 1.25rem 0 1.5rem;
}

.wdh-custom-days {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--tf-accent-soft);
}

.wdh-days-toggle-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.wdh-day-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.35rem 0.65rem;
  background: var(--tf-surface);
  border: 1px solid var(--tf-rule);
  border-radius: 2px;
  cursor: pointer;
  color: var(--tf-ink);
}

.wdh-day-pill input[type="checkbox"] {
  accent-color: var(--tf-accent);
}

.wdh-blackout-section {
  margin-top: 1rem;
}

.wdh-actions-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.wdh-btn-primary {
  background: var(--tf-accent);
  color: var(--tf-accent-ink, #ffffff);
  border: 1px solid var(--tf-accent);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.65rem 1.4rem;
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.15s ease;
}

.wdh-btn-primary:hover {
  background: var(--tf-accent-hover);
}

.wdh-btn-secondary {
  background: var(--tf-surface);
  color: var(--tf-ink);
  border: 1px solid var(--tf-rule);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 0.65rem 1rem;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.wdh-btn-secondary:hover {
  border-color: var(--tf-accent);
  color: var(--tf-accent);
}

.wdh-results {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--tf-rule);
}

.wdh-summary-banner {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  background: var(--tf-accent-wash);
  border-left: 4px solid var(--tf-accent);
  border-top: 1px solid var(--tf-accent-soft);
  border-right: 1px solid var(--tf-accent-soft);
  border-bottom: 1px solid var(--tf-accent-soft);
  padding: 1.25rem 1.5rem;
  border-radius: 2px;
  margin-bottom: 1.5rem;
}

.wdh-summary-primary {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}

.wdh-primary-num {
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--tf-accent);
  line-height: 1;
}

.wdh-primary-unit {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--tf-ink);
}

.wdh-summary-details {
  font-size: 0.9rem;
  color: var(--tf-ink-soft);
  text-align: right;
  line-height: 1.4;
}

.wdh-detail-line {
  margin-bottom: 0.25rem;
}

.wdh-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.wdh-stat-card {
  background: var(--tf-surface);
  border: 1px solid var(--tf-rule);
  border-radius: 2px;
  padding: 1rem;
  text-align: left;
}

.wdh-stat-title {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  color: var(--tf-ink-soft);
  margin-bottom: 0.4rem;
}

.wdh-stat-val {
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--tf-ink);
  line-height: 1.1;
  margin-bottom: 0.25rem;
}

.wdh-stat-desc {
  font-size: 0.78rem;
  color: var(--tf-ink-soft);
}

.wdh-section-title {
  font-family: Charter, "Iowan Old Style", Georgia, serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--tf-ink);
  margin: 0 0 0.85rem;
}

.wdh-holidays-box {
  margin-bottom: 2rem;
}

.wdh-empty-state {
  font-size: 0.9rem;
  color: var(--tf-ink-soft);
  font-style: italic;
  padding: 0.75rem 0;
}

.wdh-holidays-list {
  overflow-x: auto;
  margin-top: 0.5rem;
}

.wdh-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.wdh-table th,
.wdh-table td {
  padding: 0.6rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--tf-rule);
}

.wdh-table th {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--tf-ink-soft);
  background: var(--tf-accent-wash);
}

.wdh-table td {
  color: var(--tf-ink);
}

.wdh-status-badge {
  display: inline-block;
  font-size: 0.75rem;
  padding: 0.15rem 0.45rem;
  border-radius: 2px;
  font-weight: 600;
  background: var(--tf-accent-wash);
  color: var(--tf-accent);
  border: 1px solid var(--tf-accent-soft);
}

.wdh-calendar-box {
  margin-bottom: 2rem;
  background: var(--tf-surface);
  border: 1px solid var(--tf-rule);
  border-radius: 2px;
  padding: 1.25rem;
}

.wdh-cal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.wdh-cal-legend {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--tf-ink-soft);
}

.wdh-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.wdh-dot {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  display: inline-block;
}

.wdh-dot--work {
  background: var(--tf-accent);
}

.wdh-dot--weekend {
  background: var(--tf-rule);
}

.wdh-dot--holiday {
  background: #d97706;
}

.wdh-cal-container {
  box-sizing: border-box;
  padding-inline: 1.5rem;
  margin-inline: auto;
  max-width: 46rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.wdh-cal-month {
  border: 1px solid var(--tf-rule);
  border-radius: 2px;
  padding: 0.75rem;
}

.wdh-cal-month-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--tf-ink);
  margin-bottom: 0.5rem;
  text-align: center;
}

.wdh-cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  font-size: 0.75rem;
  text-align: center;
}

.wdh-cal-th {
  font-weight: 700;
  color: var(--tf-ink-soft);
  padding: 0.25rem 0;
}

.wdh-cal-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 2px;
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
}

.wdh-cal-day.day-empty {
  visibility: hidden;
}

.wdh-cal-day.day-work {
  background: var(--tf-accent-wash);
  color: var(--tf-accent);
  font-weight: 700;
  border: 1px solid var(--tf-accent-soft);
}

.wdh-cal-day.day-weekend {
  color: var(--tf-ink-soft);
  opacity: 0.5;
}

.wdh-cal-day.day-holiday {
  background: rgba(217, 119, 6, 0.15);
  color: #b45309;
  font-weight: 700;
  border: 1px solid rgba(217, 119, 6, 0.3);
}

.wdh-export-toolbar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  position: relative;
}

.wdh-toast {
  font-size: 0.85rem;
  color: var(--tf-accent);
  background: var(--tf-accent-wash);
  padding: 0.4rem 0.8rem;
  border-radius: 2px;
  border: 1px solid var(--tf-accent-soft);
  animation: fadeIn 0.2s ease;
}

.wdh-hidden {
  display: none !important;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(3px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 640px) {
  .wdh-app-card {
  box-sizing: border-box;
  margin-inline: auto;
  max-width: 46rem;
    padding: 1.25rem;
  }
  .wdh-top-controls {
    flex-direction: column;
    align-items: stretch;
  }
  .wdh-mode-selector {
    display: flex;
  }
  .wdh-tab-btn {
    flex: 1;
    text-align: center;
  }
  .wdh-summary-banner {
    flex-direction: column;
    align-items: flex-start;
  }
  .wdh-summary-details {
    text-align: left;
  }
}

/* tf:dark-palette — generated by migrate_chrome.py */
/* Neutrals inherit the shared chrome tokens so all tools share one
   ground; brand hues are kept and lightened, never inverted. */
[data-theme="dark"] {
  --tf-border: var(--tf-rule);
  --tf-card-bg: var(--tf-surface);
  --tf-input-bg: var(--tf-surface);
}