/**
 * @component Migration Cards
 * @description Collapsible import/export cards for migration tools (Zotero, Overleaf, Prism, etc.)
 * @category Components
 * @file /static/shared/css/components/migration-cards.css
 *
 * @example
 * <div class="mig-card collapsed">
 *   <div class="mig-card__header">
 *     <h6 class="mig-card__title"><i class="fas fa-leaf"></i> Overleaf Import</h6>
 *     <i class="fas fa-chevron-down mig-card__chevron"></i>
 *   </div>
 *   <div class="mig-card__content">...</div>
 * </div>
 */

/* Card container */
.mig-card {
  border: 1px solid var(--workspace-border-default, #3a3a3a);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 8px;
  background: var(--workspace-bg-secondary, #1e1e1e);
}

/* Header */
.mig-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  background: var(--workspace-bg-tertiary, #1a1a1a);
  cursor: pointer;
  user-select: none;
  border-bottom: 1px solid var(--workspace-border-default, #3a3a3a);
  border-radius: 6px 6px 0 0;
}

.mig-card__header:hover {
  background: var(--workspace-bg-tertiary, #1a1a1a);
}

/* Title */
.mig-card__title {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary, #d4e1e8);
  display: flex;
  align-items: center;
  gap: 8px;
  text-transform: none;
  letter-spacing: normal;
}

.mig-card__title i {
  color: var(--workspace-icon-primary, #059669);
  font-size: 12px;
}

/* Chevron */
.mig-card__chevron {
  color: var(--text-muted, #6c8ba0);
  font-size: 10px;
  transition: transform 0.2s ease;
}

/* Content */
.mig-card__content {
  padding: 12px;
  background: var(--workspace-bg-secondary, #1e1e1e);
}

/* Collapsed state */
.mig-card.collapsed .mig-card__header {
  border-bottom: none;
}

.mig-card.collapsed .mig-card__chevron {
  transform: rotate(-90deg);
}

.mig-card.collapsed .mig-card__content {
  display: none;
}

/* Inner elements */
.mig-card__label {
  display: block;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-primary, #d4e1e8);
  margin-bottom: 0.35rem;
}

.mig-card__hint {
  font-size: 0.65rem;
  color: var(--text-muted, #6c8ba0);
  line-height: 1.5;
  margin-bottom: 0.5rem;
}

.mig-card__steps {
  font-size: 0.7rem;
  color: var(--text-muted, #6c8ba0);
  line-height: 1.7;
  margin: 0 0 0.5rem 0;
  padding-left: 1.2rem;
}

.mig-card__steps strong {
  color: var(--text-primary, #d4e1e8);
}

.mig-card__btn {
  display: block;
  width: 100%;
  padding: 0.4rem 0.6rem;
  font-size: 0.75rem;
  text-align: center;
  color: var(--text-primary, #d4e1e8);
  background: var(--workspace-bg-primary, #0d0d0d);
  border: 1px solid var(--workspace-border-default, #3a3a3a);
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
}

.mig-card__btn:hover {
  background: var(--workspace-bg-tertiary, #1a1a1a);
  border-color: var(--workspace-border-hover, #4a4a4a);
  color: var(--text-primary, #d4e1e8);
  text-decoration: none;
}

.mig-card__btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.mig-card__btn--primary {
  border-color: var(--workspace-icon-primary, #059669);
  color: var(--workspace-icon-primary, #059669);
}

.mig-card__btn--primary:hover {
  background: rgba(5, 150, 105, 0.1);
}

.mig-card__status {
  font-size: 0.65rem;
  line-height: 1.4;
  margin-top: 0.35rem;
  color: var(--text-muted, #6c8ba0);
}

/* Service status LED rows */
.library-service-leds {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.library-led-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.library-led-label {
  font-size: 0.7rem;
  color: var(--text-muted, #6c8ba0);
}

/* =========================================
   Dropzone — drag-and-drop file upload
   ========================================= */

.dropzone {
  border: 2px dashed var(--workspace-border-default, #3a3a3a);
  border-radius: 6px;
  padding: 1rem 0.75rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.15s ease;
  margin-bottom: 0.5rem;
}

.dropzone:hover {
  border-color: var(--workspace-border-hover, #4a4a4a);
  background: rgba(5, 150, 105, 0.04);
}

.dropzone.dropzone--dragover {
  border-color: var(--workspace-icon-primary, #059669);
  background: rgba(5, 150, 105, 0.08);
}

.dropzone__icon {
  display: block;
  font-size: 1.25rem;
  color: var(--text-muted, #6c8ba0);
  margin-bottom: 0.35rem;
}

.dropzone__icon--file {
  color: var(--workspace-icon-primary, #059669);
}

.dropzone__text {
  font-size: 0.7rem;
  color: var(--text-muted, #6c8ba0);
  line-height: 1.5;
}

.dropzone__text code {
  font-size: 0.65rem;
  background: var(--workspace-bg-tertiary, #1c2128);
  padding: 1px 4px;
  border-radius: 3px;
}

.dropzone__browse {
  color: var(--workspace-icon-primary, #059669);
  text-decoration: underline;
  cursor: pointer;
}

.dropzone__ready {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.dropzone__filename {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-primary, #d4e1e8);
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dropzone__clear {
  background: none;
  border: none;
  color: var(--text-muted, #6c8ba0);
  font-size: 1rem;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}

.dropzone__clear:hover {
  color: var(--status-error, #ff6b6b);
}

/* Light theme */
[data-theme="light"] .mig-card__header {
  background: var(--workspace-bg-secondary);
  border-bottom-color: var(--workspace-border-default);
}
[data-theme="light"] .mig-card__header:hover {
  background: var(--workspace-bg-tertiary);
}
[data-theme="light"] .mig-card__content {
  background: var(--workspace-bg-secondary);
}
[data-theme="light"] .mig-card__title {
  color: var(--text-primary);
}
[data-theme="light"] .dropzone__text code {
  background: var(--workspace-bg-tertiary);
}