/* 素材库页 */

.library-page { padding: 0 0 32px; }

.library-refresh {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--surface-color, #fff);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.library-refresh:hover:not(:disabled) {
  color: var(--accent-color, #2997ff);
  border-color: var(--accent-color, #2997ff);
}
.library-refresh:disabled { opacity: 0.5; cursor: wait; }

/* ========= 工具栏 ========= */
.library-toolbar {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 16px 0 20px;
}

.library-mode {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.library-mode__btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 12px 16px;
  background: var(--surface-color, #f5f5f7);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.15s ease;
  text-align: left;
}
.library-mode__btn:hover {
  border-color: color-mix(in srgb, var(--accent-color, #2997ff) 50%, transparent);
}
.library-mode__btn.is-active {
  background: color-mix(in srgb, var(--accent-color, #2997ff) 8%, transparent);
  border-color: var(--accent-color, #2997ff);
}
.library-mode__btn span {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}
.library-mode__btn small {
  font-size: 11px;
  color: var(--text-muted);
}
.library-mode__btn.is-active span { color: var(--accent-color, #2997ff); }

.library-filter-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.library-filter-row--secondary {
  padding-top: 8px;
  border-top: 1px dashed var(--border-color);
}

.library-pill {
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--surface-color, #f5f5f7);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.library-pill:hover { color: var(--text-primary); }
.library-pill.is-active {
  background: var(--accent-color, #2997ff);
  border-color: var(--accent-color, #2997ff);
  color: #fff;
}

.library-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.library-chip:hover { color: var(--text-primary); }
.library-chip.is-active {
  background: color-mix(in srgb, var(--text-primary) 8%, transparent);
  border-color: var(--text-primary);
  color: var(--text-primary);
}
.library-chip__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 16px;
  padding: 0 4px;
  font-size: 11px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--text-primary) 10%, transparent);
}

.library-search {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--surface-color, #fff);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-muted);
}
.library-search input {
  border: none;
  background: transparent;
  font-size: 13px;
  outline: none;
  color: var(--text-primary);
  min-width: 200px;
}

/* ========= 空态 ========= */
.library-empty {
  padding: 64px 16px;
  text-align: center;
  color: var(--text-muted);
}
.library-empty__icon {
  margin: 0 auto 12px;
  width: 64px; height: 64px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 16px;
  background: color-mix(in srgb, var(--text-primary) 6%, transparent);
}
.library-empty h3 {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}
.library-empty p { margin: 0; font-size: 13px; }

/* ========= 网格 ========= */
.library-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.library-card {
  display: flex;
  flex-direction: column;
  background: var(--surface-elevated, #fff);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  position: relative;
}
.library-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md, 0 12px 30px rgba(0, 0, 0, 0.1));
  border-color: color-mix(in srgb, var(--accent-color, #2997ff) 30%, transparent);
}

/* 媒体区 */
.library-card__media {
  position: relative;
  aspect-ratio: 16 / 10;
  background: #000;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.library-card__media video,
.library-card__media img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.library-card__audio {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px;
  background: linear-gradient(135deg, #4c1d95, #1e3a8a);
}
.library-card__audio-icon { font-size: 36px; }
.library-card__audio audio { width: 100%; }

.library-card__badge,
.library-card__type-badge {
  position: absolute;
  top: 8px;
  padding: 3px 8px;
  font-size: 11px;
  font-weight: 600;
  color: #fff;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(8px);
  border-radius: 6px;
}
.library-card__badge {
  right: 8px;
  background: var(--success-color, #48bb78);
}
.library-card__type-badge {
  left: 8px;
}

/* 信息区 */
.library-card__body {
  padding: 12px 14px 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.library-card__pipeline {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent-color, #2997ff);
  letter-spacing: 0.3px;
}
.library-card__title {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.library-card__sub {
  font-size: 11px;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.library-card__time {
  font-size: 11px;
  color: var(--text-muted);
}

/* 操作区 */
.library-card__actions {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px 12px;
  border-top: 1px solid var(--border-color);
  margin-top: 6px;
}

.library-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--surface-color, #f5f5f7);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.library-action:hover {
  border-color: var(--accent-color, #2997ff);
  color: var(--accent-color, #2997ff);
}
.library-action--primary {
  margin-left: auto;
  background: transparent;
  border-color: var(--accent-color, #2997ff);
  color: var(--accent-color, #2997ff);
}
.library-action--primary:hover {
  background: var(--accent-color, #2997ff);
  color: #fff;
}

@media (max-width: 720px) {
  .library-page { padding-bottom: 20px; }

  .library-refresh {
    width: 100%;
    justify-content: center;
    margin-left: 0;
    min-height: 40px;
  }

  .library-toolbar {
    margin: 12px 0 14px;
    gap: 12px;
  }

  .library-mode {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .library-mode__btn {
    padding: 11px 12px;
  }

  .library-filter-row {
    align-items: stretch;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 2px;
    scrollbar-width: none;
  }

  .library-filter-row::-webkit-scrollbar {
    display: none;
  }

  .library-filter-row--secondary {
    flex-wrap: wrap;
    overflow-x: visible;
  }

  .library-search {
    width: 100%;
    margin-left: 0;
    padding: 8px 10px;
  }

  .library-search input {
    min-width: 0;
    width: 100%;
    font-size: 16px;
  }

  .library-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .library-card__media {
    aspect-ratio: 16 / 11;
  }

  .library-card__title,
  .library-card__sub {
    white-space: normal;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .library-card__title {
    -webkit-line-clamp: 2;
  }

  .library-card__sub {
    -webkit-line-clamp: 2;
  }

  .library-card__actions {
    align-items: stretch;
    flex-direction: column;
  }

  .library-action,
  .library-action--primary {
    width: 100%;
    min-height: 38px;
    margin-left: 0;
  }
}

@media (max-width: 420px) {
  .library-pill,
  .library-chip {
    font-size: 12px;
  }

  .library-card__body,
  .library-card__actions {
    padding-left: 12px;
    padding-right: 12px;
  }
}