:root {
  --pb-accent: #1f7a5c;
  --pb-accent-dark: #155b45;
  --pb-soft: #f5f8f6;
  --pb-line: #d9e3dd;
  --pb-ink: #1f2a24;
}

body {
  color: var(--pb-ink);
  background: #fbfcfb;
}

a {
  color: var(--pb-accent-dark);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
}

.btn-primary {
  --bs-btn-bg: var(--pb-accent);
  --bs-btn-border-color: var(--pb-accent);
  --bs-btn-hover-bg: var(--pb-accent-dark);
  --bs-btn-hover-border-color: var(--pb-accent-dark);
  --bs-btn-active-bg: var(--pb-accent-dark);
  --bs-btn-active-border-color: var(--pb-accent-dark);
}

.nav-tabs .nav-link.active {
  color: var(--pb-accent-dark);
  font-weight: 600;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
}

.calendar-head,
.calendar-day {
  border-right: 1px solid var(--pb-line);
  border-bottom: 1px solid var(--pb-line);
}

.calendar-head {
  padding: 0.65rem;
  background: var(--pb-soft);
  text-align: center;
  font-weight: 700;
}

.calendar-day {
  min-height: 112px;
  padding: 0.5rem;
}

.calendar-day:nth-child(7n),
.calendar-head:nth-child(7n) {
  border-right: 0;
}

.calendar-day.muted {
  color: #8c9891;
  background: #f7f7f7;
}

.calendar-event {
  display: block;
  margin-top: 0.45rem;
  padding: 0.35rem 0.45rem;
  border-radius: 6px;
  background: #e8f4ef;
  color: var(--pb-accent-dark);
  font-size: 0.875rem;
  line-height: 1.35;
  text-decoration: none;
}

.calendar-event:hover {
  text-decoration: underline;
}

.calendar-event.ended,
.calendar-event.canceled {
  color: #6c757d;
  background: #eef0f1;
  text-decoration: line-through;
}

.calendar-event.canceled {
  background: #f8e8e9;
  color: #8a1f2d;
}

.event-date {
  min-width: 10rem;
}

.flyer {
  max-width: 960px;
  background: #fff;
  border: 1px solid var(--pb-line);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 16px 32px rgba(31, 42, 36, 0.08);
}

.flyer-header {
  padding: 2rem;
  background: linear-gradient(135deg, #eef8f2, #fff8e8);
  border-bottom: 1px solid var(--pb-line);
}

.detail-list {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 0.75rem 1rem;
  margin: 0;
}

.detail-list dt {
  color: #5f6b64;
}

.detail-list dd {
  margin: 0;
  font-weight: 600;
}

.form-shell,
.narrow-shell,
.content-page {
  max-width: 920px;
}

.narrow-shell {
  max-width: 560px;
  margin-inline: auto;
  padding: 2rem;
  background: #fff;
  border: 1px solid var(--pb-line);
  border-radius: 8px;
}

.code-input {
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

@media (max-width: 767.98px) {
  .calendar-grid {
    display: block;
    border-radius: 8px;
  }

  .calendar-head {
    display: none;
  }

  .calendar-day {
    min-height: auto;
    border-right: 0;
  }

  .calendar-day.muted {
    display: none;
  }

  .detail-list {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
}