/*
 * 空き状況カレンダー（公開側）
 * 見た目は従来の XO Event Calendar の上書きスタイル（_estimate-form.scss・calendar-color-system.md）に合わせている。
 * 色は WCAG AA 基準（白文字とのコントラスト 4.5:1 以上）。ビルド不要の素のCSS。
 */
.fg-avail {
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  font-size: 0.875rem;
  line-height: 1.3;
  background: #fff;
}

.fg-avail__months {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background-color: #e5e7eb;
}

.fg-avail__month {
  background: #fff;
}

.fg-avail__title {
  margin: 0;
  padding: 12px 0;
  font-size: 1rem;
  font-weight: 600;
  color: #1f2937;
  text-align: center;
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  border-bottom: 1px solid #e2e8f0;
}

.fg-avail__table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 2px;
  table-layout: fixed;
  padding: 4px;
}

.fg-avail__table th {
  padding: 6px 0;
  font-size: 0.75rem;
  font-weight: 600;
  color: #374151;
  text-align: center;
}

.fg-avail__table th.is-sun { color: #dc2626; }
.fg-avail__table th.is-sat { color: #2563eb; }

.fg-avail__day {
  height: 34px;
  padding: 0;
  text-align: center;
  vertical-align: middle;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 500;
  color: #374151;
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.fg-avail__day.is-empty { background: transparent; }
.fg-avail__day.is-past  { color: #9ca3af; opacity: 0.5; }
.fg-avail__day.is-today span {
  display: inline-block;
  min-width: 1.6em;
  border-bottom: 2px solid currentColor;
}

.fg-avail__day.is-noselect, .fg-avail__swatch.is-noselect { background: #6b7280; }
.fg-avail__day.is-emp-am,   .fg-avail__swatch.is-emp-am   { background: #d97706; }
.fg-avail__day.is-emp-pm,   .fg-avail__swatch.is-emp-pm   { background: #059669; }
.fg-avail__day.is-emp-ampm, .fg-avail__swatch.is-emp-ampm { background: #2563eb; }
.fg-avail__day.is-noselect,
.fg-avail__day.is-emp-am,
.fg-avail__day.is-emp-pm,
.fg-avail__day.is-emp-ampm { color: #fff; }

.fg-avail__legend {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin: 0;
  padding: 16px;
  list-style: none;
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.fg-avail__legend li {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 8px 10px;
  font-size: 0.8rem;
  font-weight: 500;
  color: #374151;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
}

.fg-avail__swatch {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  border-radius: 4px;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

@media (max-width: 640px) {
  .fg-avail__months { gap: 8px; background: #fff; }
  .fg-avail__title { padding: 8px 0; font-size: 0.9rem; }
  .fg-avail__table { border-spacing: 1px; padding: 2px; }
  .fg-avail__table th { font-size: 0.7rem; padding: 4px 0; }
  .fg-avail__day { height: 28px; font-size: 0.72rem; border-radius: 4px; }
  .fg-avail__legend { gap: 6px; padding: 12px 10px; }
  .fg-avail__legend li { padding: 6px 8px; font-size: 0.75rem; gap: 6px; }
  .fg-avail__swatch { width: 14px; height: 14px; border-radius: 3px; }
}