/* ============================================
   Assets Management — Gallery, Modal, Progress
   ============================================ */

/* ── Custom Properties ──────────────────────── */

:root {
  --assets-primary: var(--aw-color-accent);
  --assets-primary-hover: var(--aw-color-accent-hover);
  --assets-bg: var(--aw-color-bg-subtle);
  --assets-card-bg: var(--aw-color-bg-primary);
  --assets-card-radius: 10px;
  --assets-card-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --assets-border: var(--aw-color-border);
  --assets-text: var(--aw-color-text-primary);
  --assets-text-muted: var(--aw-color-text-secondary);
  --assets-text-faint: var(--aw-color-text-faint);
  --assets-success: var(--aw-color-success);
  --assets-error: var(--aw-color-error);
  --assets-transition: 0.15s ease;
}

/* ── Anima Selector ────────────────────────── */

.assets-anima-selector {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.assets-anima-btn {
  padding: 8px 16px;
  background: var(--assets-card-bg);
  color: var(--assets-text);
  border: 1px solid var(--assets-border);
  border-radius: 8px;
  font-size: 0.88rem;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--assets-transition),
              border-color var(--assets-transition),
              color var(--assets-transition);
}

.assets-anima-btn:hover,
.assets-anima-btn:active {
  background: var(--assets-bg);
  border-color: var(--aw-color-text-placeholder);
}

.assets-anima-btn--active {
  background: var(--assets-primary);
  color: var(--aw-color-bg-primary);
  border-color: var(--assets-primary);
}

.assets-anima-btn--active:hover,
.assets-anima-btn--active:active {
  background: var(--assets-primary-hover);
  border-color: var(--assets-primary-hover);
}

/* ── Gallery Grid ───────────────────────────── */

.assets-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 20px;
}

/* ── Thumbnail Card ─────────────────────────── */

.assets-thumb-card {
  background: var(--assets-card-bg);
  border-radius: var(--assets-card-radius);
  box-shadow: var(--assets-card-shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px;
  position: relative;
  transition: box-shadow var(--assets-transition),
              transform var(--assets-transition);
}

.assets-thumb-card:hover,
.assets-thumb-card:active {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.assets-thumb-img {
  width: 100%;
  max-height: 200px;
  object-fit: contain;
  background: var(--aw-color-bg-secondary);
  border-radius: 6px;
}

.assets-thumb-placeholder {
  width: 100%;
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--aw-color-bg-secondary);
  border-radius: 6px;
  color: var(--assets-text-faint);
  font-size: 0.85rem;
}

.assets-thumb-empty {
  color: var(--assets-text-faint);
  font-size: 0.82rem;
}

.assets-thumb-label {
  margin-top: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--assets-text);
  text-align: center;
}

/* ── Badge ──────────────────────────────────── */

.assets-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  padding: 0 7px;
  background: var(--aw-color-accent-bg);
  color: var(--aw-color-info-text);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
  position: absolute;
  top: 8px;
  right: 8px;
}

.assets-badge-icon {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--assets-text-faint);
}

/* ============================================
   Remake Modal
   ============================================ */

/* ── Overlay ────────────────────────────────── */

.assets-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.assets-modal-overlay.active {
  opacity: 1;
  pointer-events: all;
  animation: assets-fade-in 0.2s ease;
}

/* ── Modal ──────────────────────────────────── */

.assets-modal {
  background: var(--assets-card-bg);
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15), 0 4px 16px rgba(0, 0, 0, 0.08);
  max-width: 900px;
  width: 92%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ── Modal Header ───────────────────────────── */

.assets-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--assets-border);
  flex-shrink: 0;
}

.assets-modal-header h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--assets-text);
  margin: 0;
}

.assets-modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  border-radius: 6px;
  font-size: 1.3rem;
  color: var(--assets-text-muted);
  cursor: pointer;
  transition: background var(--assets-transition), color var(--assets-transition);
}

.assets-modal-close:hover,
.assets-modal-close:active {
  background: var(--aw-color-bg-hover);
  color: var(--assets-text);
}

/* ── Modal Body ─────────────────────────────── */

.assets-modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  min-height: 0;
}

/* ── Comparison Layout ──────────────────────── */

.assets-modal-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.assets-modal-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.assets-modal-col-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--assets-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.assets-modal-preview-img {
  width: 100%;
  max-height: 400px;
  object-fit: contain;
  background: var(--aw-color-bg-secondary);
  border-radius: 8px;
  border: 1px solid var(--assets-border);
}

.assets-modal-preview-placeholder {
  width: 100%;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--aw-color-bg-secondary);
  border-radius: 8px;
  border: 1px solid var(--assets-border);
  color: var(--assets-text-faint);
  font-size: 0.88rem;
  padding: 16px;
}

/* ── Controls ───────────────────────────────── */

.assets-modal-controls {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 16px 0;
}

.assets-modal-control-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.assets-modal-label {
  flex-shrink: 0;
  min-width: 140px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--assets-text);
}

.assets-modal-select {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--aw-color-border-input);
  border-radius: 8px;
  font-size: 0.88rem;
  font-family: inherit;
  color: var(--assets-text);
  background: var(--assets-card-bg);
  outline: none;
  transition: border-color var(--assets-transition);
}

.assets-modal-select:focus {
  border-color: var(--assets-primary);
}

.assets-modal-range {
  flex: 1;
  accent-color: var(--assets-primary);
}

/* ── Action Buttons ─────────────────────────── */

.assets-modal-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 0;
  flex-wrap: wrap;
}

/* ============================================
   Progress Section
   ============================================ */

.assets-progress-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px 0;
  border-top: 1px solid var(--assets-border);
  margin-top: 12px;
}

.assets-progress-header {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--assets-text);
}

.assets-progress-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.assets-progress-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.assets-progress-item-label {
  flex-shrink: 0;
  min-width: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--assets-text);
}

.assets-progress-bar-track {
  flex: 1;
  height: 6px;
  background: var(--aw-color-border-separator);
  border-radius: 3px;
  overflow: hidden;
}

.assets-progress-bar-fill {
  height: 100%;
  background: var(--assets-primary);
  border-radius: 3px;
  width: 0;
  transition: width 0.3s ease;
}

.assets-progress-pct {
  flex-shrink: 0;
  min-width: 40px;
  text-align: right;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--assets-text-faint);
  font-variant-numeric: tabular-nums;
}

.assets-progress-item--done .assets-progress-pct {
  color: var(--assets-success);
}

.assets-progress-item--done .assets-progress-bar-fill {
  background: var(--assets-success);
}

.assets-progress-item--error .assets-progress-pct {
  color: var(--assets-error);
}

.assets-progress-item--error .assets-progress-bar-fill {
  background: var(--assets-error);
}

.assets-progress-complete {
  padding: 8px 0;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--assets-success);
}

/* ── Error / Spinner ────────────────────────── */

.assets-error {
  color: var(--assets-error);
  font-size: 0.88rem;
  padding: 8px 0;
}

.assets-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--aw-color-border-separator);
  border-top-color: var(--assets-primary);
  border-radius: 50%;
  animation: assets-spin 0.8s linear infinite;
}

/* ============================================
   Animations
   ============================================ */

@keyframes assets-fade-in {
  from {
    opacity: 0;
    transform: scale(0.97);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

/* ============================================
   Reduced Motion
   ============================================ */

/* ── Secondary Gallery (Small Thumbnails) ──── */

.assets-thumb-card--small {
  max-width: 120px;
}

.assets-thumb-card--small .assets-thumb-img {
  height: 100px;
}

.assets-thumb-card--small .assets-thumb-placeholder {
  height: 100px;
}

.assets-badge--exists {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--aw-color-success-text, #166534);
  background: var(--aw-color-success-bg, #dcfce7);
  padding: 1px 5px;
  border-radius: 3px;
  margin-left: 4px;
}

.assets-badge--missing {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--aw-color-text-muted, #888);
  background: var(--aw-color-bg-tertiary, #e5e5e5);
  padding: 1px 5px;
  border-radius: 3px;
  margin-left: 4px;
}

/* ============================================
   Preview History Navigation
   ============================================ */

.assets-preview-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 8px;
}

.assets-preview-counter {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--assets-text-muted);
  font-variant-numeric: tabular-nums;
  min-width: 50px;
  text-align: center;
}

/* ============================================
   Confirm Dialog
   ============================================ */

.assets-confirm-overlay {
  position: fixed;
  inset: 0;
  z-index: 1100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
}

.assets-confirm-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.assets-confirm-dialog {
  background: var(--assets-card-bg);
  border-radius: 10px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  padding: 24px 28px;
  max-width: 400px;
  width: 90%;
}

.assets-confirm-dialog p {
  margin: 0 0 16px;
  font-size: 0.95rem;
  color: var(--assets-text);
  line-height: 1.5;
}

.assets-confirm-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

/* ============================================
   Status Text (replaces Complete button)
   ============================================ */

.assets-status-text {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--assets-success);
  padding: 8px 0;
}

/* ============================================
   Action Buttons 3-Zone Layout
   ============================================ */

.assets-modal-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 16px 0;
  flex-wrap: wrap;
}

.assets-modal-actions-left,
.assets-modal-actions-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ============================================
   Slider Disabled State
   ============================================ */

.assets-control-disabled {
  opacity: 0.45;
  pointer-events: none;
}

/* ============================================
   Expression Grid
   ============================================ */

.assets-expression-section {
  border-top: 1px solid var(--assets-border);
  padding-top: 16px;
}

.assets-expression-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.assets-expression-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 12px;
}

.assets-expression-card {
  background: var(--assets-card-bg);
  border-radius: 8px;
  box-shadow: var(--assets-card-shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--assets-transition);
}

.assets-expression-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.assets-expression-img {
  width: 100%;
  height: 120px;
  object-fit: contain;
  background: var(--aw-color-bg-secondary);
}

.assets-expression-placeholder {
  width: 100%;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--aw-color-bg-secondary);
  color: var(--assets-text-faint);
  font-size: 0.75rem;
}

.assets-expression-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 8px;
}

.assets-expression-label {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--assets-text);
}

.assets-expression-regen-btn {
  width: 24px;
  height: 24px;
  padding: 0;
  border: none;
  background: var(--aw-color-bg-hover);
  border-radius: 4px;
  font-size: 0.85rem;
  color: var(--assets-text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--assets-transition), color var(--assets-transition);
}

.assets-expression-regen-btn:hover {
  background: var(--assets-primary);
  color: var(--aw-color-bg-primary);
}

.assets-expression-regen-btn:disabled {
  opacity: 0.5;
  cursor: default;
}

/* ── Small button variant ──────────────────── */

.btn-sm {
  padding: 4px 10px;
  font-size: 0.78rem;
}

/* ============================================
   Reduced Motion
   ============================================ */

@media (prefers-reduced-motion: reduce) {
  .assets-modal-overlay.active {
    animation: none;
  }
  .assets-spinner {
    animation: none;
  }
  .assets-thumb-card {
    transition: none;
  }
  .assets-progress-bar-fill {
    transition: none;
  }
  .assets-confirm-overlay {
    transition: none;
  }
  .assets-expression-card {
    transition: none;
  }
}