/*
 * ThemePicker — popover trigger for selecting a theme.
 *
 * 1:1 port of metainventory's
 *   apps/status/src/components/ThemePicker/ThemePicker.module.css
 * with class names rewritten from CSS-Modules form to a plain
 * `.theme-picker-*` namespace.
 */

.theme-picker {
  position: relative;
  display: inline-flex;
}

.theme-picker-trigger {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  height: 32px;
  padding: 0 var(--space-2) 0 var(--space-1);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: var(--type-caption-size);
  font-weight: var(--type-label-weight);
  cursor: pointer;
  transition:
    border-color var(--duration-base) var(--ease-default),
    background var(--duration-base) var(--ease-default);
}

.theme-picker-trigger:hover {
  border-color: var(--border-emphasis);
  background: var(--bg-surface-2);
}

.theme-picker-trigger:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

.theme-picker-trigger-swatch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.theme-picker-trigger-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-secondary);
  white-space: nowrap;
  min-width: 0;
}

.theme-picker-trigger-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 96px;
}

.theme-picker-trigger-chevron {
  color: var(--text-tertiary);
  flex-shrink: 0;
  font-size: 0.75rem;
}

@media (max-width: 1024px) {
  .theme-picker-trigger-label { display: none; }
  .theme-picker-trigger { padding: 0 var(--space-1); }
}

/* ─── Popover ─────────────────────────────────────────────── */
.theme-picker-popover {
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  width: 380px;
  max-height: min(560px, calc(100vh - var(--space-20, 5rem)));
  background: var(--bg-surface-2);
  border: 1px solid var(--border-emphasis);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-dropdown, 1050);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  outline: none;
  animation: theme-picker-pop-in var(--duration-base) var(--ease-out);
}

.theme-picker-popover[hidden] { display: none; }

@keyframes theme-picker-pop-in {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .theme-picker-popover { animation: none; }
}
[data-motion="reduced"] .theme-picker-popover { animation: none; }

@media (max-width: 480px) {
  .theme-picker-popover {
    width: calc(100vw - var(--space-6));
    right: calc(-1 * var(--space-2));
  }
}

/* Sidebar-positioned variant: open up + right of trigger. */
.theme-picker.is-sidebar .theme-picker-popover {
  top: auto;
  bottom: calc(100% + var(--space-2));
  left: 0;
  right: auto;
}

/* ─── Hero ────────────────────────────────────────────────── */
.theme-picker-hero {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--accent) 6%, var(--bg-surface-2) 94%),
    var(--bg-surface-2)
  );
  flex-shrink: 0;
}

.theme-picker-hero-swatch { flex-shrink: 0; }

.theme-picker-hero-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.theme-picker-hero-eyebrow {
  font-size: var(--type-caption-size);
  font-weight: var(--type-label-weight);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  line-height: 1.2;
}

.theme-picker-hero-title {
  font-size: var(--type-h3-size);
  font-weight: var(--type-h3-weight);
  color: var(--text-primary);
  line-height: 1.2;
}

.theme-picker-hero-meta {
  font-size: var(--type-caption-size);
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  line-height: 1.3;
}

/* ─── List ────────────────────────────────────────────────── */
.theme-picker-list {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-2) 0 var(--space-1);
  scrollbar-width: thin;
  scrollbar-color: var(--border-emphasis) transparent;
}

.theme-picker-list::-webkit-scrollbar { width: 6px; }
.theme-picker-list::-webkit-scrollbar-thumb {
  background: var(--border-emphasis);
  border-radius: var(--radius-full);
}
.theme-picker-list::-webkit-scrollbar-track { background: transparent; }

.theme-picker-section {
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 0 var(--space-2);
  margin-bottom: var(--space-2);
}

.theme-picker-section-label {
  padding: var(--space-2) var(--space-3) var(--space-1);
  font-size: var(--type-caption-size);
  font-weight: var(--type-label-weight);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.theme-picker-row {
  display: grid;
  grid-template-columns: 36px 1fr auto;
  gap: var(--space-3);
  align-items: center;
  width: 100%;
  padding: var(--space-2) var(--space-3);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  transition:
    background var(--duration-fast) var(--ease-default),
    color var(--duration-fast) var(--ease-default);
}

.theme-picker-row:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: -2px;
}

.theme-picker-row:hover,
.theme-picker-row.is-cursor,
.theme-picker-row.is-cursor:hover {
  background: var(--bg-surface-3);
  color: var(--text-primary);
}

.theme-picker-row.is-active {
  border-color: var(--accent-subtle);
  color: var(--text-primary);
}

.theme-picker-row.is-active .theme-picker-row-name {
  color: var(--accent);
}

.theme-picker-row-swatch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.theme-picker-row-copy {
  display: flex;
  flex-direction: column;
  min-width: 0;
  gap: 2px;
}

.theme-picker-row-name {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--type-label-size);
  font-weight: var(--type-label-weight);
  letter-spacing: var(--type-label-tracking);
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.theme-picker-row-desc {
  font-size: var(--type-caption-size);
  color: var(--text-tertiary);
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
}

.theme-picker-row-check {
  color: var(--accent);
  flex-shrink: 0;
  visibility: hidden;
}

.theme-picker-row.is-active .theme-picker-row-check {
  visibility: visible;
}

/* ─── Swatches ────────────────────────────────────────────── */
.theme-picker-swatch {
  position: relative;
  display: grid;
  grid-template-columns: 10px 1fr;
  width: 32px;
  height: 22px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
}

.theme-picker-swatch-lg {
  grid-template-columns: 18px 1fr;
  width: 56px;
  height: 40px;
  border-radius: var(--radius-md);
}

.theme-picker-swatch-sidebar {
  height: 100%;
  border-right: 1px solid;
}

.theme-picker-swatch-accent {
  position: absolute;
  top: 50%;
  right: 14%;
  width: 38%;
  height: 4px;
  border-radius: var(--radius-full);
  transform: translateY(-50%);
}

.theme-picker-swatch-lg .theme-picker-swatch-accent {
  right: 12%;
  width: 40%;
  height: 6px;
}

.theme-picker-system-swatch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 22px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: linear-gradient(90deg, var(--bg-base) 50%, var(--bg-surface-1) 50%);
  color: var(--text-secondary);
  font-size: 0.75rem;
}

/* ─── Footer ──────────────────────────────────────────────── */
.theme-picker-footer {
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-2);
  flex-shrink: 0;
}

.theme-picker-footer-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-2) var(--space-3);
  background: transparent;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: var(--type-label-size);
  font-weight: var(--type-label-weight);
  text-decoration: none;
  transition:
    background var(--duration-base) var(--ease-default),
    color var(--duration-base) var(--ease-default);
}

.theme-picker-footer-link:hover {
  background: var(--bg-surface-3);
  color: var(--text-primary);
  text-decoration: none;
}

.theme-picker-footer-link:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: -2px;
}