@use 'variables' as *;
@use 'mixins' as *;

// Media cards & grid

.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: $space-6;
}

.media-card {
  background: $bg-2;
  border: 1px solid $border;
  border-radius: $radius;
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.12s, box-shadow 0.12s;
  position: relative;

  &:hover {
    border-color: $border-strong;
    box-shadow: $shadow-sm;
  }

  &.selected {
    border-color: $accent;
    box-shadow: 0 0 0 1px $accent;
  }
}

.card-checkbox {
  position: absolute;
  top: 6px;
  left: 6px;
  z-index: 2;
  opacity: 0;
  transition: opacity $transition-base;

  input[type='checkbox'] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    filter: drop-shadow(0 1px 2px $drop-shadow);
  }
}

.media-card:hover .card-checkbox,
.media-card.selected .card-checkbox {
  opacity: 1;
}

.card-thumbnail {
  width: 100%;
  aspect-ratio: 1;
  background: $bg-0;
  @include flex-center;
  overflow: hidden;
  position: relative;

  img,
  .card-thumb-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
  }
}

.card-type-icon {
  font-size: 32px;
  opacity: 0.4;
  @include flex-center;
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
}

.card-info {
  padding: $space-4 $space-5;
}

.card-name {
  font-size: $font-size-md;
  font-weight: $font-weight-medium;
  color: $text-0;
  @include text-truncate;
  margin-bottom: $space-2;
}

.card-title,
.card-artist {
  font-size: $font-size-sm;
  @include text-truncate;
  line-height: $line-height-base;
}

.card-meta {
  @include flex(row, flex-start, center, 6px);
  font-size: $font-size-sm;
}

.card-size {
  color: $text-2;
  font-size: $font-size-sm;
}

// Table thumbnails

.table-thumb-cell {
  width: 36px;
  padding: $space-2 6px !important;
  position: relative;
}

.table-thumb {
  width: 28px;
  height: 28px;
  object-fit: cover;
  border-radius: 3px;
  display: block;
}

.table-thumb-overlay {
  position: absolute;
  top: $space-2;
  left: 6px;
  z-index: 1;
}

.table-type-icon {
  @include flex-center;
  width: 28px;
  height: 28px;
  font-size: 14px;
  opacity: 0.5;
  border-radius: 3px;
  background: $bg-0;
  z-index: 0;
}

// Type badges

.type-badge {
  display: inline-block;
  padding: 1px $space-3;
  border-radius: $radius-sm;
  font-size: $font-size-sm;
  font-weight: $font-weight-semibold;
  @include text-uppercase;

  &.type-audio {
    background: $type-audio-bg;
    color: $type-audio-text;
  }

  &.type-video {
    background: $type-video-bg;
    color: $type-video-text;
  }

  &.type-image {
    background: $type-image-bg;
    color: $type-image-text;
  }

  &.type-document {
    background: $type-document-bg;
    color: $type-document-text;
  }

  &.type-text {
    background: $type-text-bg;
    color: $type-text-text;
  }

  &.type-other {
    background: $type-other-bg;
    color: $text-2;
  }
}

// Tag badges

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: $space-2;
}

.tag-badge {
  display: inline-flex;
  align-items: center;
  gap: $space-2;
  padding: $space-1 $space-5;
  background: $accent-dim;
  color: $accent-text;
  border-radius: 12px;
  font-size: $font-size-base;
  font-weight: $font-weight-medium;

  &.selected {
    background: $accent;
    color: white;
    cursor: pointer;
  }

  &:not(.selected) {
    cursor: pointer;
  }

  .tag-remove {
    cursor: pointer;
    opacity: 0.4;
    font-size: $font-size-lg;
    line-height: 1;
    transition: opacity $transition-base;

    &:hover {
      opacity: 1;
    }
  }
}

// Tag hierarchy

.tag-group {
  margin-bottom: 6px;
}

.tag-children {
  margin-left: $space-8;
  margin-top: $space-2;
  display: flex;
  flex-wrap: wrap;
  gap: $space-2;
}

.tag-confirm-delete {
  display: inline-flex;
  align-items: center;
  gap: $space-2;
  font-size: $font-size-sm;
  color: $text-1;
}

.tag-confirm-yes {
  cursor: pointer;
  color: $error;
  font-weight: $font-weight-semibold;

  &:hover {
    text-decoration: underline;
  }
}

.tag-confirm-no {
  cursor: pointer;
  color: $text-2;
  font-weight: $font-weight-medium;

  &:hover {
    text-decoration: underline;
  }
}

// Detail view

.detail-actions {
  display: flex;
  gap: 6px;
  margin-bottom: $space-8;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: $space-4;
}

.detail-field {
  padding: $space-5 $space-6;
  background: $bg-0;
  border-radius: $radius-sm;
  border: 1px solid $border-subtle;

  &.full-width {
    grid-column: 1 / -1;
  }

  input[type='text'],
  textarea,
  select {
    width: 100%;
    margin-top: $space-2;
  }

  textarea {
    min-height: 64px;
    resize: vertical;
  }
}

.detail-label {
  font-size: $font-size-sm;
  font-weight: $font-weight-semibold;
  color: $text-2;
  @include text-uppercase($letter-spacing-wider);
  margin-bottom: $space-1;
}

.detail-value {
  font-size: $font-size-lg;
  color: $text-0;
  word-break: break-all;

  &.mono {
    font-family: $font-family-mono;
    font-size: $font-size-base;
    color: $text-1;
  }
}

.detail-preview {
  margin-bottom: $space-8;
  background: $bg-0;
  border: 1px solid $border-subtle;
  border-radius: $radius;
  overflow: hidden;
  text-align: center;

  &:has(.markdown-viewer) {
    max-height: none;
    overflow-y: auto;
    text-align: left;
  }

  &:not(:has(.markdown-viewer)) {
    max-height: 450px;
  }

  img {
    max-width: 100%;
    max-height: 400px;
    object-fit: contain;
    display: block;
    margin: 0 auto;
  }

  audio {
    width: 100%;
    padding: $space-8;
  }

  video {
    max-width: 100%;
    max-height: 400px;
    display: block;
    margin: 0 auto;
  }
}

.detail-no-preview {
  padding: $space-8 $space-8;
  text-align: center;
  @include flex(column, center, center, $space-5);
}

// Frontmatter

.frontmatter-card {
  max-width: 800px;
  background: $bg-2;
  border: 1px solid $border;
  border-radius: $radius;
  padding: $space-6 $space-8;
  margin-bottom: $space-8;
}

.frontmatter-fields {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: $space-2 $space-6;
  margin: 0;

  dt {
    font-weight: $font-weight-semibold;
    font-size: $font-size-md;
    color: $text-1;
    text-transform: capitalize;
  }

  dd {
    font-size: $font-size-lg;
    color: $text-0;
    margin: 0;
  }
}

// Empty state

.empty-state {
  text-align: center;
  padding: 48px $space-6;
  color: $text-2;

  .empty-icon {
    font-size: $font-size-7xl;
    margin-bottom: $space-6;
    opacity: 0.3;
  }
}

.empty-title {
  font-size: $font-size-2xl;
  font-weight: $font-weight-semibold;
  color: $text-1;
  margin-bottom: $space-2;
}

.empty-subtitle {
  font-size: $font-size-md;
  max-width: 320px;
  margin: 0 auto;
  line-height: $line-height-relaxed;
}

// Toast

.toast-container {
  position: fixed;
  bottom: $space-8;
  right: $space-8;
  z-index: $z-toast;
  display: flex;
  flex-direction: column-reverse;
  gap: 6px;
  align-items: flex-end;

  .toast {
    position: static;
    transform: none;
  }
}

.toast {
  position: fixed;
  bottom: $space-8;
  right: $space-8;
  padding: $space-5 $space-8;
  border-radius: $radius;
  background: $bg-3;
  border: 1px solid $border;
  color: $text-0;
  font-size: $font-size-md;
  box-shadow: $shadow;
  z-index: $z-toast;
  animation: slide-up 0.15s ease-out;
  max-width: 420px;

  &.success {
    border-left: 3px solid $success;
  }

  &.error {
    border-left: 3px solid $error;
  }
}

// Banners

.offline-banner,
.error-banner {
  background: $error-bg;
  border: 1px solid $error-border;
  border-radius: $radius-sm;
  padding: $space-5 $space-6;
  margin-bottom: $space-6;
  font-size: $font-size-md;
  color: $error-text;
  @include flex(row, flex-start, center, $space-4);

  .offline-icon,
  .error-icon {
    font-size: 14px;
    flex-shrink: 0;
  }
}

.error-banner {
  padding: 10px 14px;
}

.readonly-banner {
  @include flex(row, flex-start, center, $space-4);
  padding: $space-5 $space-6;
  background: $warning-bg;
  border: 1px solid $warning-border;
  border-radius: $radius-sm;
  margin-bottom: $space-8;
  font-size: $font-size-md;
  color: $warning;
}

.batch-actions {
  @include flex(row, flex-start, center, $space-4);
  padding: $space-4 $space-5;
  background: $accent-dim;
  border: 1px solid $accent-border;
  border-radius: $radius-sm;
  margin-bottom: $space-6;
  font-size: $font-size-md;
  font-weight: $font-weight-medium;
  color: $accent-text;
}

.select-all-banner {
  @include flex(row, center, center, $space-4);
  padding: $space-5 $space-8;
  background: $info-bg;
  border-radius: 6px;
  margin-bottom: $space-4;
  font-size: 0.85rem;
  color: $text-1;

  button {
    background: none;
    border: none;
    color: $accent;
    cursor: pointer;
    font-weight: $font-weight-semibold;
    text-decoration: underline;
    font-size: 0.85rem;
    padding: 0;

    &:hover {
      color: $text-0;
    }
  }
}

// Import status

.import-status-panel {
  background: $bg-2;
  border: 1px solid $accent;
  border-radius: $radius;
  padding: $space-6 $space-8;
  margin-bottom: $space-8;
}

.import-status-header {
  @include flex(row, flex-start, center, $space-4);
  margin-bottom: $space-4;
  font-size: $font-size-lg;
  color: $text-0;
}

.import-current-file {
  @include flex(row, flex-start, center, $space-1);
  margin-bottom: 6px;
  font-size: $font-size-md;
  overflow: hidden;
}

.import-file-label {
  color: $text-2;
  flex-shrink: 0;
}

.import-file-name {
  color: $text-0;
  @include text-truncate;
  font-family: monospace;
  font-size: $font-size-base;
}

.import-queue-indicator {
  @include flex(row, flex-start, center, $space-1);
  margin-bottom: $space-4;
  font-size: $font-size-base;
}

.import-queue-badge {
  @include flex-center;
  min-width: 18px;
  height: 18px;
  padding: 0 6px;
  background: $accent-dim;
  color: $accent-text;
  border-radius: 9px;
  font-weight: $font-weight-semibold;
  font-size: $font-size-sm;
}

.import-queue-text {
  color: $text-2;
}

.import-tabs {
  display: flex;
  gap: 0;
  margin-bottom: $space-8;
  border-bottom: 1px solid $border;
}

.import-tab {
  padding: $space-5 $space-8;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: $text-2;
  font-size: $font-size-md;
  font-weight: $font-weight-medium;
  cursor: pointer;
  transition: color $transition-base, border-color $transition-base;

  &:hover {
    color: $text-0;
  }

  &.active {
    color: $accent-text;
    border-bottom-color: $accent;
  }
}

// Queue panel

.queue-panel {
  @include flex(column);
  border-left: 1px solid $border;
  background: $bg-1;
  min-width: 280px;
  max-width: 320px;
}

.queue-header {
  @include flex-between;
  padding: $space-6 $space-8;
  border-bottom: 1px solid $border-subtle;

  h3 {
    margin: 0;
    font-size: 0.9rem;
    color: $text-0;
  }
}

.queue-controls {
  display: flex;
  gap: $space-1;
}

.queue-list {
  overflow-y: auto;
  flex: 1;
}

.queue-item {
  @include flex(row, flex-start, center);
  padding: $space-4 $space-8;
  cursor: pointer;
  border-bottom: 1px solid $border-subtle;
  transition: background $transition-slow;

  &:hover {
    background: $bg-2;

    .queue-item-remove {
      opacity: 1;
    }
  }

  &-active {
    background: $accent-dim;
    border-left: 3px solid $accent;
  }
}

.queue-item-info {
  flex: 1;
  min-width: 0;
}

.queue-item-title {
  display: block;
  font-size: 0.85rem;
  color: $text-0;
  @include text-truncate;
}

.queue-item-artist {
  display: block;
  font-size: 0.75rem;
  color: $text-2;
}

.queue-item-remove {
  opacity: 0;
  transition: opacity $transition-slow;
}

.queue-empty {
  padding: $space-8 $space-8;
  text-align: center;
  color: $text-2;
  font-size: 0.85rem;
}