/* 대관 일정 달력 — rental-schedule.html 과 admin/ 이 함께 쓴다 (render-calendar.js)
   관리자 화면엔 style.css 가 없으니 변수마다 기본값을 둔다 */
.rental-calendar {
  --cal-ink: var(--black, #111);
  --cal-muted: var(--gray, #888);
  --cal-line: var(--hairline, rgba(0, 0, 0, 0.08));
  --cal-accent: var(--accent, #e63312);
  --cal-en: var(--font-en, 'Space Grotesk', 'Pretendard', sans-serif);
}

.cal-head {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  margin-bottom: 16px;
}

.cal-month {
  margin: 0;
  min-width: 140px;
  text-align: center;
  font-family: var(--cal-en);
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.cal-nav {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(0, 0, 0, 0.16);
  border-radius: 999px;
  background: #fff;
  color: var(--cal-ink);
  font-size: 16px;
  cursor: pointer;
  transition: background 0.25s, color 0.25s;
}

.cal-nav:hover {
  background: var(--cal-ink);
  color: #fff;
}

.cal-legend {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 26px;
  font-size: 12.5px;
  color: var(--cal-muted);
}

.cal-legend span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.cal-legend i {
  width: 12px;
  height: 12px;
  border: 1px solid rgba(0, 0, 0, 0.25);
  background: #fff;
}

.cal-legend i.is-booked {
  border-color: var(--cal-ink);
  background: var(--cal-ink);
}

.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  border-top: 1px solid var(--cal-ink);
}

.cal-wd {
  padding: 10px 0;
  text-align: center;
  font-size: 12px;
  font-weight: 500;
  color: var(--cal-muted);
  border-bottom: 1px solid var(--cal-line);
}

.cal-wd.is-sun,
.cal-day.is-sun .cal-num { color: var(--cal-accent); }

.cal-day {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  min-height: 88px;
  padding: 8px 10px;
  border: 0;
  border-bottom: 1px solid var(--cal-line);
  border-right: 1px solid var(--cal-line);
  background: #fff;
  color: var(--cal-ink);
  font: inherit;
  text-align: left;
}

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

button.cal-day { cursor: pointer; }
button.cal-day:hover { box-shadow: inset 0 0 0 2px var(--cal-accent); }

.cal-num {
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 26px;
  font-family: var(--cal-en);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.cal-state {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.cal-day.is-outside .cal-num { color: rgba(0, 0, 0, 0.18); }
.cal-day.is-past:not(.is-booked) .cal-num { opacity: 0.4; }

.cal-day.is-booked {
  background: var(--cal-ink);
  color: #fff;
  border-right-color: rgba(255, 255, 255, 0.12);
}

.cal-day.is-booked .cal-num { color: #fff; }
.cal-day.is-booked.is-past { background: #555; }

.cal-day.is-today .cal-num {
  border-radius: 50%;
  box-shadow: inset 0 0 0 1.5px currentColor;
}

.cal-summary {
  margin: 22px 0 0;
  text-align: center;
  font-size: 14px;
  color: var(--cal-muted);
  font-variant-numeric: tabular-nums;
}

@media (max-width: 720px) {
  .cal-month { font-size: 24px; }

  .cal-day {
    align-items: center;
    min-height: 54px;
    padding: 6px 2px;
  }

  .cal-state { font-size: 10.5px; }
}