/* Letterhead Maker */

.lh-toolbar { gap: var(--space-3); }

.lh-current { display: flex; align-items: center; gap: var(--space-2); min-width: 0; }
.lh-current-text { display: flex; flex-direction: column; min-width: 0; padding: 0 var(--space-1); }
.lh-current-text .ws-title { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.lh-flip { display: inline-flex; transform: rotate(180deg); }

/* Preview */
.lh-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: var(--space-3);
  padding: var(--space-6) var(--space-4);
  background: var(--color-surface-strong);
}

.lh-paper {
  position: relative;
  max-width: 100%;
  background: #fff;
  box-shadow: 0 1px 2px rgba(16, 24, 40, 0.12), 0 8px 28px rgba(16, 24, 40, 0.14);
}

.lh-canvas { display: block; width: 100%; height: 100%; }

.lh-caption {
  margin: 0;
  max-width: 560px;
  font-size: var(--text-caption);
  color: var(--color-text-secondary);
  text-align: center;
}

/* Side panel */
.ws-side .lh-panel { max-height: 720px; }
.lh-textarea { min-height: 64px; }
.lh-grid-2 { margin-bottom: var(--space-5); }
.lh-grid-2 .field { margin-bottom: 0; }
.lh-sample-note { margin: 0 0 var(--space-4); }

.lh-logo { display: flex; align-items: center; gap: var(--space-3); }

.lh-logo-thumb {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  padding: 6px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
}

.lh-logo-thumb img { max-width: 100%; max-height: 100%; object-fit: contain; }

.lh-logo-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-surface-strong);
  font-size: var(--text-small);
  font-weight: var(--weight-semibold);
  color: var(--color-text-secondary);
}

.lh-logo-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.lh-upload { cursor: pointer; }
.lh-upload:focus-within { box-shadow: 0 0 0 3px var(--color-focus); }
.lh-logo-hint { margin: var(--space-2) 0 var(--space-4); }

.lh-swatches { margin-bottom: var(--space-4); }

.lh-swatch {
  background: linear-gradient(135deg, var(--sw-p, #1b2a4a) 0 55%, var(--sw-a, #b8892b) 55% 100%);
}

.lh-swatch[data-palette="template"]::after {
  content: "";
  position: absolute;
  inset: 9px;
  border-radius: 50%;
  border: 2px solid #fff;
}

.lh-colors { margin-bottom: var(--space-2); }

.lh-toggles { display: grid; gap: var(--space-2); }

.lh-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
}

.lh-toggle:hover { border-color: var(--color-border-strong); }
.lh-toggle .switch { flex-shrink: 0; }

.lh-repeat { margin-top: var(--space-3); }
.lh-print-note { margin-top: var(--space-4); }

/* Gallery */
.lh-gallery {
  border-top: 1px solid var(--color-border);
  padding: var(--space-5) var(--space-4) var(--space-4);
}

.lh-gallery-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.lh-gallery-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0;
  font-size: var(--text-h3);
}

.lh-gallery-count {
  padding: 1px 8px;
  border-radius: 999px;
  background: var(--color-surface-strong);
  font-size: var(--text-caption);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
}

.lh-chips { display: flex; flex-wrap: wrap; gap: 6px; }

.lh-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 32px;
  padding: 0 var(--space-3);
  border: 1px solid var(--color-border-strong);
  border-radius: 999px;
  background: var(--color-background);
  font-size: var(--text-small);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: border-color var(--duration) var(--ease), background-color var(--duration) var(--ease), color var(--duration) var(--ease);
}

.lh-chip:hover { color: var(--color-text); border-color: #b7bec9; }
.lh-chip:focus-visible { outline: none; box-shadow: 0 0 0 3px var(--color-focus); }
.lh-chip[aria-pressed="true"] { border-color: var(--color-primary); background: var(--color-primary-subtle); color: var(--color-primary); }
.lh-chip-count { font-size: var(--text-caption); color: var(--color-text-tertiary); font-variant-numeric: tabular-nums; }
.lh-chip[aria-pressed="true"] .lh-chip-count { color: var(--color-primary); }

.lh-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(124px, 1fr));
  gap: var(--space-5) var(--space-4);
  max-height: 680px;
  overflow-y: auto;
  padding: 6px 6px var(--space-2);
  margin: -6px;
  overscroll-behavior: contain;
}

.lh-thumb {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  padding: 0;
  border: 0;
  background: none;
  text-align: left;
  cursor: pointer;
}

.lh-thumb[hidden] { display: none; }

.lh-thumb-paper {
  position: relative;
  display: block;
  margin-bottom: 6px;
  border-radius: 3px;
  background: #fff;
  box-shadow: 0 0 0 1px var(--color-border), 0 1px 3px rgba(16, 24, 40, 0.08);
  transition: box-shadow var(--duration) var(--ease), transform var(--duration) var(--ease);
}

.lh-thumb-paper canvas { display: block; width: 100%; height: auto; border-radius: 3px; }

.lh-thumb-check {
  position: absolute;
  top: 6px;
  right: 6px;
  display: none;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 1px 3px rgba(16, 24, 40, 0.25);
}

.lh-thumb-name {
  font-size: var(--text-small);
  font-weight: var(--weight-medium);
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.lh-thumb-cat { font-size: var(--text-caption); color: var(--color-text-tertiary); }

.lh-thumb:hover .lh-thumb-paper { box-shadow: 0 0 0 1px var(--color-border-strong), var(--shadow-md); }
.lh-thumb:focus-visible { outline: none; }
.lh-thumb:focus-visible .lh-thumb-paper { box-shadow: 0 0 0 3px var(--color-focus); }
.lh-thumb[aria-pressed="true"] .lh-thumb-paper { box-shadow: 0 0 0 2px var(--color-primary), var(--shadow-md); }
.lh-thumb[aria-pressed="true"] .lh-thumb-check { display: flex; }
.lh-thumb[aria-pressed="true"] .lh-thumb-name { color: var(--color-primary); }

@media (prefers-reduced-motion: no-preference) {
  .lh-thumb:hover .lh-thumb-paper { transform: translateY(-2px); }
}

@media (max-width: 1024px) {
  .ws-side .lh-panel { max-height: 640px; }
}

@media (max-width: 860px) {
  .ws-side .lh-panel { max-height: none; }
  .lh-stage { padding: var(--space-5) var(--space-3); }
}

@media (max-width: 600px) {
  .lh-toolbar { padding: var(--space-3); }
  .lh-toolbar .ws-toolbar-group { width: 100%; justify-content: space-between; }
  .lh-current { width: 100%; justify-content: space-between; }
  .lh-current-text { flex: 1; align-items: center; text-align: center; }
  .lh-stage { padding: var(--space-4) var(--space-3); }
  .lh-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-4) var(--space-3); max-height: 560px; }
  .lh-gallery { padding: var(--space-4) var(--space-3); }
  .lh-chip { height: 30px; padding: 0 10px; }
}