/* ── Calendar controls (project + streak) ──── */
.calendar-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.calendar-controls[hidden] { display: none; }

/* ── Calendar panel ─────────────────────────── */
.calendar-panel {
  grid-column: 1;
  grid-row: 2;
  min-width: 0;
  background: var(--glass-medium);
  border: none;
  border-radius: var(--radius-card);
  padding: 24px;
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

.calendar-panel[hidden] { display: none; }

.calendar-outer {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto 1fr;
  column-gap: 2px;
}

.calendar-outer[hidden] { display: none; }

.calendar-controls {
  grid-column: 1;
  grid-row: 1;
}

/* ── Header ────────────────────────────────── */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  position: relative;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-nav h1 {
  min-width: 200px;
  text-align: center;
  color: white;
  letter-spacing: -0.3px;
}

/* Header nav arrows: use .btn .btn--icon with smaller (40×40) override
   and a blue-tinted hover. */
.header-nav .btn--icon {
  width: 40px;
  height: 40px;
  font-size: var(--text-2xl);
  border-width: 2px;
  font-weight: var(--font-extrabold);
  line-height: var(--leading-tight);
}

.header-nav .btn--icon {
  background: rgba(255,255,255,0.95);
  border: 2px solid var(--primary-dark);
  box-shadow: var(--shadow-chunky-thin) var(--primary-dark);
  color: var(--primary-dark);
}
.header-nav .btn--icon:hover {
  background: white;
  border-color: var(--primary-dark);
  color: var(--primary-dark);
  box-shadow: var(--shadow-chunky-rest) var(--primary-dark);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

/* ── Weekday headers ───────────────────────── */
.weekday-headers {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 16px;
  margin-bottom: 10px;
  text-align: center;
}

.weekday-headers span {
  color: rgba(255,255,255,0.80);
  padding: 6px 0;
}

/* ── Calendar grid ─────────────────────────── */
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  /* Row gap is larger than column gap so the met-day highlight pill (which
     extends evenly on all four sides of its tile) can fit between rows
     without overlapping adjacent rows' pills. */
  gap: 28px 16px;
  /* Stacking context so .day[data-state="met"]::before (z:-1) renders behind the tiles
     rather than behind the whole page. */
  isolation: isolate;
}

.calendar-grid[hidden],
.weekday-headers[hidden] {
  display: none;
}