/* ============================================================
 * Calendar Panel — heat-map calendar + DOD-grouped detail
 * ============================================================ */

.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) 0;
}

.calendar-header-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.calendar-header h3 {
  margin: 0;
}

.calendar-streak {
  font-size: 0.78rem;
  font-weight: 600;
  color: #f59e0b;
  background: #fef3c7;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.calendar-month-stats {
  display: flex;
  gap: var(--space-4);
  font-size: 0.8rem;
  color: var(--fg-secondary);
  padding: var(--space-2) 0;
}

.calendar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.calendar-nav-btn {
  background: none;
  border: 1px solid var(--rule-line);
  border-radius: var(--radius-btn);
  padding: var(--space-1) var(--space-3);
  font-size: 1rem;
  cursor: pointer;
  color: var(--fg-primary);
  line-height: 1;
}

.calendar-nav-btn:hover {
  background: var(--bg-sunken);
}

.calendar-month-label {
  font-family: "Newsreader", "Noto Serif SC", serif;
  font-size: 1.1rem;
  font-weight: 500;
  min-width: 120px;
  text-align: center;
}

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

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  margin-top: var(--space-3);
}

.calendar-weekday {
  text-align: center;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--fg-muted);
  padding: var(--space-1) 0;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.calendar-cell {
  position: relative;
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-tight);
  cursor: pointer;
  transition: background 0.15s, box-shadow 0.15s;
  border: 2px solid transparent;
  min-height: 44px;
}

.calendar-cell:hover {
  background: var(--bg-sunken);
}

.calendar-cell.is-today {
  border-color: var(--ink-cobalt);
}

.calendar-cell.is-selected {
  background: var(--ink-cobalt-soft);
  box-shadow: var(--shadow-inset);
}

.calendar-cell.is-empty {
  cursor: default;
  background: none;
}

.calendar-cell.is-future {
  opacity: 0.4;
  cursor: default;
}

.calendar-day-num {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--fg-primary);
  line-height: 1;
}

.calendar-cell.is-empty .calendar-day-num {
  visibility: hidden;
}

/* ── Heat-map intensity ───────────────────────────────── */

.calendar-cell[data-intensity="0"] {
  background: var(--bg-surface);
}

.calendar-cell[data-intensity="1"] {
  background: #e6f4ea;
}

.calendar-cell[data-intensity="2"] {
  background: #b7e1c5;
}

.calendar-cell[data-intensity="3"] {
  background: #72c492;
}

.calendar-cell[data-intensity="4"] {
  background: #2e9959;
}

/* Override hover for colored cells */
.calendar-cell[data-intensity="1"]:hover { background: #d4eddc; }
.calendar-cell[data-intensity="2"]:hover { background: #a3d6b4; }
.calendar-cell[data-intensity="3"]:hover { background: #5fb882; }
.calendar-cell[data-intensity="4"]:hover { background: #278a4e; }

/* ── Multi-dimensional markers ────────────────────────── */

.calendar-markers {
  display: flex;
  gap: 3px;
  margin-top: 2px;
}

.calendar-marker {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.calendar-marker--active {
  background: #f59e0b; /* amber — warm, encouraging "you showed up today" */
  box-shadow: 0 0 0 1px rgba(245, 158, 11, 0.3);
}

.calendar-marker--reviewed {
  background: var(--ink-cobalt);
}

.calendar-marker--all-good {
  background: var(--good);
}

.calendar-marker--has-plans {
  background: var(--warn);
}

/* ── Legend ────────────────────────────────────────────── */

.calendar-legend {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-top: var(--space-3);
  padding: var(--space-2) 0;
  font-size: 0.75rem;
  color: var(--fg-secondary);
  flex-wrap: wrap;
}

.calendar-legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.calendar-legend-swatch {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  flex-shrink: 0;
}

.calendar-legend-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ── Detail panel (DOD-grouped) ───────────────────────── */

.calendar-detail {
  margin-top: var(--space-4);
  border-top: 1px solid var(--rule-line);
  padding-top: var(--space-4);
}

.calendar-detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.calendar-detail-date {
  font-family: "Newsreader", "Noto Serif SC", serif;
  font-size: 1rem;
  font-weight: 500;
}

.calendar-detail-stats {
  font-size: 0.8rem;
  color: var(--fg-secondary);
}

.calendar-review-btn {
  background: var(--ink-cobalt);
  color: var(--fg-on-cobalt);
  border: none;
  border-radius: var(--radius-btn);
  padding: var(--space-2) var(--space-4);
  font-size: 0.85rem;
  cursor: pointer;
  font-weight: 500;
}

.calendar-review-btn:hover {
  background: var(--ink-cobalt-deep);
}

/* ── DOD group ────────────────────────────────────────── */

.calendar-dod-group {
  background: var(--bg-surface);
  border: 1px solid var(--rule-line);
  border-radius: var(--radius-card);
  margin-bottom: var(--space-3);
  overflow: hidden;
}

.calendar-dod-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background: var(--bg-sunken);
  cursor: pointer;
  user-select: none;
}

.calendar-dod-header:hover {
  background: #e8e5d8;
}

.calendar-dod-name {
  font-weight: 500;
  font-size: 0.9rem;
}

.calendar-dod-count {
  font-size: 0.8rem;
  color: var(--fg-muted);
}

.calendar-dod-records {
  padding: 0;
}

/* ── Review card (in daily detail) ─────────────────────── */

.calendar-review-card {
  background: var(--ink-cobalt-soft);
  border: 1px solid var(--ink-cobalt);
  border-radius: var(--radius-card);
  padding: var(--space-4);
  margin-bottom: var(--space-3);
}

.calendar-review-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.calendar-record-badge--review {
  background: var(--ink-cobalt);
  color: var(--fg-on-cobalt);
  font-size: 0.65rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.calendar-review-field {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-1) 0;
  font-size: 0.85rem;
  line-height: 1.5;
}

.calendar-review-field + .calendar-review-field {
  border-top: 1px solid rgba(28, 63, 139, 0.1);
}

.calendar-review-label {
  color: var(--ink-cobalt);
  font-weight: 500;
  white-space: nowrap;
  min-width: 70px;
  flex-shrink: 0;
  font-size: 0.78rem;
}

.calendar-review-value {
  color: var(--fg-primary);
}

.calendar-review-field--highlight {
  background: rgba(28, 63, 139, 0.06);
  border-radius: var(--radius-tight);
  padding: var(--space-2);
  margin: var(--space-1) 0;
}

.calendar-review-field--highlight .calendar-review-value {
  font-weight: 500;
}

/* ── Review fulltext (expandable dialog) ──────────────── */

.calendar-review-details {
  margin-top: var(--space-3);
  border-top: 1px solid rgba(28, 63, 139, 0.1);
  padding-top: var(--space-2);
}

.calendar-review-details-toggle {
  font-size: 0.82rem;
  color: var(--ink-cobalt);
  cursor: pointer;
  font-weight: 500;
  user-select: none;
}

.calendar-review-details-toggle:hover {
  text-decoration: underline;
}

.calendar-review-fulltext {
  margin-top: var(--space-3);
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--fg-primary);
}

.calendar-review-fulltext hr {
  border: none;
  border-top: 1px solid var(--rule-line);
  margin: var(--space-3) 0;
}

.calendar-review-section-title {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--ink-cobalt);
  margin-top: var(--space-3);
  margin-bottom: var(--space-1);
}

.calendar-review-subsection {
  font-weight: 500;
  font-size: 0.82rem;
  color: var(--fg-secondary);
  margin-top: var(--space-2);
}

/* ── Record row ───────────────────────────────────────── */

.calendar-record {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--rule-line);
  cursor: pointer;
  transition: background 0.1s;
}

.calendar-record:first-child {
  border-top: none;
}

.calendar-record:hover {
  background: var(--bg-sunken);
}

.calendar-record-time {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  color: var(--fg-muted);
  white-space: nowrap;
  min-width: 40px;
}

.calendar-record-badge {
  font-size: 0.65rem;
  font-weight: 600;
  padding: 1px 5px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.calendar-record-badge--act {
  background: var(--ink-cobalt-soft);
  color: var(--ink-cobalt);
}

.calendar-record-badge--subplan {
  background: var(--warn-soft);
  color: var(--warn);
}

.calendar-record-body {
  flex: 1;
  min-width: 0;
}

.calendar-record-kr {
  font-size: 0.85rem;
  color: var(--fg-primary);
  line-height: 1.4;
}

.calendar-record-ai {
  font-size: 0.78rem;
  color: var(--fg-secondary);
  margin-top: 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.calendar-record-good {
  color: var(--good);
  font-size: 0.75rem;
  flex-shrink: 0;
}

/* ── Empty state ──────────────────────────────────────── */

.calendar-empty {
  text-align: center;
  color: var(--fg-muted);
  padding: var(--space-6, 24px) 0;
  font-size: 0.9rem;
}

/* ── Loading ──────────────────────────────────────────── */

.calendar-loading {
  text-align: center;
  color: var(--fg-muted);
  padding: var(--space-4) 0;
  font-size: 0.85rem;
}