/* ============================================================
   Sentimind — Calendar Components
   달력 그리드, 네비게이션, 일별 엔트리, 히트맵, 월간 요약,
   Year in Pixels, 범례
   ============================================================ */

/* Calendar */
.calendar-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 1rem;
}
.calendar-month-title {
  font-family: var(--font-diary); font-size: 1.1rem; font-weight: 700;
  color: var(--color-text);
}
.btn-cal-nav {
  background: var(--color-surface); border: 1px solid var(--color-border); cursor: pointer;
  color: var(--color-text-light); width: 36px; height: 36px;
  border-radius: 50%; font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  transition: border-color 200ms ease, color 200ms ease, background 200ms ease;
}
.btn-cal-nav:hover { border-color: var(--color-primary); color: var(--color-primary); }
.calendar-grid {
  display: grid; grid-template-columns: repeat(7, 1fr); gap: 2px;
}
.cal-weekday {
  text-align: center; font-size: 0.7rem; font-weight: 500;
  color: var(--color-text-muted); padding: 4px 0;
}
.cal-day {
  aspect-ratio: 1; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 2px;
  border-radius: var(--radius-sm); cursor: default;
  font-size: 0.8rem; color: var(--color-text-light);
  position: relative; transition: all 150ms ease;
}
.cal-day.empty { visibility: hidden; }
.cal-day.has-entry {
  cursor: pointer; color: var(--color-text); font-weight: 500;
  transition: background-color 300ms ease;
}
.cal-day.has-entry:hover { background: var(--color-primary); color: #fff; }
.cal-day.has-entry:hover .cal-emoji { filter: brightness(1.2); }
.cal-day.selected { background: var(--color-primary); color: #fff; }
.cal-emoji {
  font-size: 0.65rem; line-height: 1;
}
.cal-dot {
  width: 6px; height: 6px; border-radius: 50%; display: inline-block; margin: 0 1px;
}
.cal-dots { display: flex; justify-content: center; gap: 2px; margin-top: 2px; }
.cal-day-entries {
  margin-top: 1rem; animation: fadeInUp 300ms ease both;
}
.cal-day-entries-header {
  font-family: var(--font-diary); font-size: 0.95rem; font-weight: 600;
  color: var(--color-text); margin-bottom: 0.75rem;
  padding-bottom: 0.5rem; border-bottom: 1px solid var(--color-divider);
}
.cal-entry-card {
  background: var(--gradient-response);
  border-radius: var(--radius-md); padding: 1rem;
  margin-bottom: 0.5rem;
}
.cal-entry-text {
  font-family: var(--font-diary); font-size: 0.9rem;
  color: var(--color-text); margin-bottom: 0.5rem; line-height: 1.6;
}
.cal-entry-meta {
  display: flex; gap: 0.5rem; align-items: center;
  font-size: 0.75rem; color: var(--color-text-light);
}
.cal-entry-emotion { font-weight: 500; }
.cal-entry-message {
  font-size: 0.8rem; color: var(--color-text-light);
  margin-top: 0.4rem; font-style: italic;
}

/* Calendar: "today" button */
.btn-cal-today {
  background: none; border: 1px solid var(--color-primary);
  color: var(--color-primary); cursor: pointer;
  font-size: 0.75rem; font-weight: 600;
  padding: 8px 16px; border-radius: var(--radius-sm);
  font-family: var(--font-ui);
  transition: all 200ms ease;
  min-height: 36px;
}
.btn-cal-today:hover { background: var(--color-primary); color: #fff; }
.btn-cal-today:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.calendar-header-center {
  display: flex; align-items: center; gap: 0.5rem;
}

/* Calendar: clickable all days */
.cal-day.clickable { cursor: pointer; }
.cal-day.clickable:hover { background: var(--color-surface-warm); }
.cal-day.selected .cal-dot { box-shadow: 0 0 0 1px #fff; }

/* Calendar: today emphasis (override base) */
.cal-day.today {
  border: 2px solid var(--color-primary);
  font-weight: 700; color: var(--color-primary);
}
.cal-day.today.has-entry { color: var(--color-text); }
.cal-day.today.selected { color: #fff; border-color: transparent; }

/* Calendar: no-entry message */
.cal-no-entry {
  text-align: center; padding: 1.5rem 1rem;
  color: var(--color-text-muted); font-size: 0.85rem;
  font-family: var(--font-diary);
}

/* Calendar: monthly summary */
.cal-monthly-summary {
  margin-top: 0.75rem; padding: 1rem;
  background: var(--gradient-response);
  border-radius: var(--radius-md);
  animation: fadeInUp 300ms ease both;
}
.cal-monthly-summary.hidden { display: none; }
.cal-summary-title {
  font-family: var(--font-diary); font-size: 0.85rem;
  font-weight: 600; color: var(--color-text);
  margin-bottom: 0.75rem;
}
.cal-summary-stats {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 0.75rem; padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-divider);
}
.cal-summary-stat { text-align: center; flex: 1; }
.cal-summary-num {
  display: block; font-size: 1.3rem; font-weight: 700;
  color: var(--color-primary); line-height: 1.2;
}
.cal-summary-num small {
  font-size: 0.75rem; font-weight: 500; opacity: 0.7;
}
.cal-summary-label {
  display: block; font-size: 0.7rem; color: var(--color-text-muted); margin-top: 2px;
}
.cal-stat-item { text-align: center; flex: 1; }
.cal-stat-value {
  font-size: 1.3rem; font-weight: 700;
  color: var(--color-primary); line-height: 1.2;
}
.cal-stat-label {
  font-size: 0.7rem; color: var(--color-text-muted); margin-top: 2px;
}
.cal-stat-divider {
  width: 1px; height: 28px; background: var(--color-divider);
}
.cal-top-emotions {
  display: flex; gap: 0.5rem; flex-wrap: wrap;
}
.cal-top-emotion-chip {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 4px 10px; border-radius: 20px;
  font-size: 0.75rem; font-weight: 500;
  background: var(--color-surface-warm);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.cal-top-emotion-dot {
  width: 8px; height: 8px; border-radius: 50%; display: inline-block;
}
.cal-top-emotion-count {
  color: var(--color-text-muted); font-size: 0.7rem;
}
.cal-summary-empty {
  font-size: 0.8rem; color: var(--color-text-muted);
  text-align: center; padding: 0.5rem 0;
}

/* ===== Year in Pixels ===== */
.year-pixels-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}
.year-pixels-year {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  min-width: 4rem;
  text-align: center;
}
.year-pixels-svg {
  width: 100%;
  max-width: 800px;
  display: block;
  margin: 0 auto;
}
.pixel-cell {
  cursor: pointer;
  transition: opacity 150ms ease;
}
.pixel-cell:hover {
  opacity: 1 !important;
  stroke: var(--color-text);
  stroke-width: 1;
}
.pixels-tooltip {
  display: none;
  position: fixed;
  background: var(--color-text);
  color: var(--color-surface);
  font-size: 0.75rem;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-sm);
  pointer-events: none;
  white-space: nowrap;
  z-index: 100;
}
.pixels-empty {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  padding: 1.5rem 0;
}
.pixels-legend {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.3rem 0.5rem;
  margin-top: 0.5rem;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}
.pixels-legend-box {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 2px;
  margin-left: 0.3rem;
}
.pixels-legend-label {
  font-size: 0.7rem;
  color: var(--color-text-muted);
}


/* === Feature 1: Calendar legend === */
.cal-legend { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.75rem; justify-content: center; }
.cal-legend-item { display: inline-flex; align-items: center; gap: 4px; font-size: 0.7rem; color: var(--color-text-muted); }
.cal-legend-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }