/* ==========================================================================
   Planner Card Component
   플래너 아이템 통합 카드 컴포넌트
   - todo, memo, event (formerly schedule), project (formerly group_project) 공통 구조

   Structure:
   ┌─────────────────────────────────────┐
   │  [Left]     │  [Content]            │
   │  아이콘영역  │  콘텐츠 영역           │
   └─────────────────────────────────────┘

   Variants:
   - .planner-card--todo
   - .planner-card--memo
   - .planner-card--event (formerly --schedule)
   - .planner-card--project (formerly --group-project)
   ========================================================================== */

/* ---------------------------------------------------------------------------
   Base Card Structure
   --------------------------------------------------------------------------- */
.planner-card {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-planner-card-gap);
  padding: var(--spacing-section);
  text-decoration: none;
  color: inherit;
}

/* Todo cards - tighter spacing between items */
.planner-card--todo {
  padding: var(--spacing-section) var(--spacing-section) 0;
  align-items: center;
}

.planner-card--todo:last-child {
  padding-bottom: var(--spacing-section);
}

.planner-card:hover {
  text-decoration: none;
}

/* Filled card variants */
.planner-card--project,
.planner-card--group-project,
.planner-card--event,
.planner-card--schedule {
  background: var(--color-card-fill);
  border: none;
  border-radius: var(--radius-lg);
}

/* Bordered card: Weekly Insight */
.planner-card--insight {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-lg);
  flex-direction: column;
  gap: var(--spacing-1);
}

.planner-card--insight .planner-card__content {
  gap: var(--spacing-1);
}

.planner-card__insight-label {
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.planner-card__insight-line {
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  margin: 0;
  line-height: 1.5;
}

.planner-card__insight-more {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.weekly-insight-trial-notice {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin: var(--spacing-1) 0 0;
  padding: 0 var(--spacing-section);
}

.weekly-insight-trial-notice a {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
}

/* ---------------------------------------------------------------------------
   Left Section (Icon Area)
   - 같은 위치에 다른 요소: checkbox, emoji, time-box
   - 고정 너비로 콘텐츠 영역 정렬 통일
   --------------------------------------------------------------------------- */
.planner-card__left {
  display: flex;
  flex-direction: column;
  align-items: flex-start;  /* 모든 왼쪽 요소를 동일한 시작점에 정렬 */
  flex-shrink: 0;
  width: var(--spacing-planner-time-box);  /* 60px */
}

/* Checkbox form wrapper */
.planner-card__checkbox-form {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Emoji (memo) */
.planner-card__emoji {
  font-size: var(--avatar-size-sm);
  line-height: 1;
  width: var(--avatar-size-sm);
}

/* Day label (group_project) - 체크박스 아래 중앙 정렬 */
.planner-card__day-label {
  width: var(--avatar-size-sm);  /* 체크박스와 동일한 너비 */
  text-align: center;
  margin-top: var(--spacing-1);
  font-family: var(--font-family-primary);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-xs);
  line-height: 140%;
  letter-spacing: -0.01em;
  color: var(--color-text-secondary);
}

.planner-card__time-box {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
}

.planner-card__time {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-normal);
  letter-spacing: var(--letter-spacing-tight);
  color: var(--color-text-primary);
}

.planner-card__duration {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  letter-spacing: var(--letter-spacing-tight);
  color: var(--color-text-secondary);
}

/* ---------------------------------------------------------------------------
   Content Section (Right Area)
   - 같은 위치에 다른 콘텐츠
   --------------------------------------------------------------------------- */
.planner-card__content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-list-sm);
  text-decoration: none;
  color: inherit;
  min-width: 0;
}

.planner-card__content:hover {
  text-decoration: none;
}

/* Text (todo, memo) */
.planner-card__text {
  font-family: var(--font-family-primary);
  font-weight: var(--font-weight-normal);
  font-size: var(--font-size-xl);
  line-height: var(--line-height-normal);
  letter-spacing: var(--letter-spacing-tight);
  color: var(--color-text-primary);
  margin: 0;
  word-break: break-word;
}

/* Multiline text (memo) - preserves newlines without XSS risk */
.planner-card__text--multiline {
  white-space: pre-wrap;
}

/* Title (event) */
.planner-card__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  letter-spacing: var(--letter-spacing-tight);
  color: var(--color-text-primary);
}

/* ---------------------------------------------------------------------------
   Group Project Specific Content
   --------------------------------------------------------------------------- */
.planner-card__header {
  display: flex;
  align-items: center;
  gap: var(--spacing-list-sm);
}

.planner-card__thumb {
  width: var(--avatar-size-sm);
  height: var(--avatar-size-sm);
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
}

.planner-card__thumb--placeholder {
  background: var(--color-project-gradient);
}

.planner-card__project-title,
.planner-card__challenge-title {
  font-family: var(--font-family-primary);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  line-height: 140%;
  letter-spacing: -0.01em;
  color: var(--color-text-primary);
}

.planner-card__task-title {
  font-family: var(--font-family-primary);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-xl);
  line-height: 140%;
  letter-spacing: -0.01em;
  color: var(--color-text-primary);
  margin: 0;
}

.planner-card__avatars {
  display: flex;
  align-items: center;
  margin-top: var(--spacing-1);
}

/* Inline avatar stacking — matches .avatar-stack pattern (–6px overlap, no flex
   gap) so avatars are visually consistent with project cards elsewhere. */
.planner-card__avatars > .avatar {
  margin-left: -6px;
}

.planner-card__avatars > .avatar:first-child {
  margin-left: 0;
}

/* Friends count label (e.g. "3 friends") that replaces the old "+N" badge
   under project variant cards. */
.planner-card__friends-count {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin-left: var(--spacing-2);
}

/* ---------------------------------------------------------------------------
   Title Link (for clickable titles)
   --------------------------------------------------------------------------- */
.planner-card__title-link {
  text-decoration: none;
  color: inherit;
}

.planner-card__title-link:hover {
  text-decoration: none;
}

/* ---------------------------------------------------------------------------
   States
   --------------------------------------------------------------------------- */

/* Completed state - todo only (strikethrough) */
.planner-card--todo.planner-card--completed .planner-card__text {
  text-decoration: line-through;
  color: var(--color-text-secondary);
}

/* ---------------------------------------------------------------------------
   Card Container (for grouped items like todo list, memo list)
   --------------------------------------------------------------------------- */
.planner-card-list {
  display: flex;
  flex-direction: column;
  background: var(--color-card-fill);
  border: none;
  border-radius: var(--radius-lg);
  /* 패딩 없음 - 개별 카드의 패딩이 내부 간격을 담당 */
}

.planner-card-list--clickable {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.planner-card-list--clickable:hover {
  text-decoration: none;
}

/* No separator lines between items */

/* ---------------------------------------------------------------------------
   Add Row (for todo add input)
   --------------------------------------------------------------------------- */
.planner-card--add {
  background: transparent;
}

.checkbox--add {
  width: var(--icon-size-lg);
  height: var(--icon-size-lg);
  border-radius: var(--radius-full);
  border: 2px dashed var(--color-border-soft);
  background: none;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
}

.checkbox--add:hover,
.planner-card--add:focus-within .checkbox--add {
  border-color: var(--color-text-secondary);
  color: var(--color-text-secondary);
}

.planner-card__input {
  flex: 1;
  font-family: var(--font-family-primary);
  font-size: var(--font-size-md);
  color: var(--color-text-primary);
  background: transparent;
  border: none;
  outline: none;
  padding: 0;
  min-width: 0;
}

.planner-card__input::placeholder {
  color: var(--color-text-muted);
}

.planner-card__edit-form {
  flex: 1;
  display: flex;
}

.planner-card__edit-form.hidden,
.planner-card__text.hidden {
  display: none;
}

/* Delete button */
.planner-card__delete {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--icon-size-lg);
  height: var(--icon-size-lg);
  padding: 0;
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s ease, color 0.15s ease;
  flex-shrink: 0;
}

.planner-card:hover .planner-card__delete,
.planner-card__delete:focus {
  opacity: 1;
}

.planner-card__delete:hover {
  color: var(--color-danger);
}

/* Clickable text for edit */
.planner-card__text[data-action] {
  cursor: text;
}

.planner-card__text[data-action]:hover {
  background: var(--color-bg-secondary);
  border-radius: 4px;
  margin: -2px -4px;
  padding: 2px 4px;
}