/* ============================================================
   calendar.css — Calendar grid styles
   ============================================================ */

/* --- Calendar Section --- */
.calendar-section {
  margin-top: var(--space-lg);
}

/* --- Calendar Navigation --- */
.calendar-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.calendar-nav__title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-navy);
  min-width: 200px;
  text-align: center;
}

.calendar-nav__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: var(--color-navy);
  font-size: 1rem;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.calendar-nav__btn:hover {
  background-color: var(--color-light);
  color: var(--color-cyan);
}

.calendar-nav__btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.calendar-nav__btn:disabled:hover {
  background-color: transparent;
  color: var(--color-navy);
}

/* --- Calendar Grid --- */
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1px;
  background-color: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

/* --- Day Headers --- */
.calendar-grid__header {
  background-color: var(--color-navy);
  color: var(--color-white);
  font-weight: 600;
  font-size: 0.875rem;
  text-align: center;
  padding: var(--space-sm) var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* --- Day Cells --- */
.calendar-grid__cell {
  background-color: var(--color-white);
  min-height: 90px;
  padding: var(--space-sm);
  position: relative;
  cursor: default;
  transition: background-color var(--transition-fast);
}

.calendar-grid__cell--empty {
  background-color: #fafafa;
  cursor: default;
}

.calendar-grid__cell--has-events {
  cursor: pointer;
}

.calendar-grid__cell--has-events:hover {
  background-color: var(--color-light);
}

.calendar-grid__cell--today {
  background-color: #f0f7ff;
}

.calendar-grid__cell--today:hover {
  background-color: var(--color-light);
}

.calendar-grid__cell--selected {
  background-color: var(--color-light);
  box-shadow: inset 0 0 0 2px var(--color-cyan);
}

/* --- Day Number --- */
.calendar-grid__day-number {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-navy);
  display: block;
  margin-bottom: var(--space-xs);
}

.calendar-grid__cell--today .calendar-grid__day-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background-color: var(--color-cyan);
  color: var(--color-white);
  border-radius: var(--radius-full);
  font-weight: 700;
}

/* --- Event Dots --- */
.calendar-grid__dots {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: var(--space-xs);
}

.calendar-grid__dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.calendar-grid__dot--critical {
  background-color: var(--color-critical);
}

.calendar-grid__dot--high {
  background-color: var(--color-high);
}

.calendar-grid__dot--medium {
  background-color: var(--color-medium);
}

.calendar-grid__dot--low {
  background-color: var(--color-low);
}

/* --- Event Preview Text (desktop only) --- */
.calendar-grid__event-preview {
  font-size: 0.6875rem;
  color: var(--color-gray);
  line-height: 1.3;
  margin-top: 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}

/* --- Event Count Badge --- */
.calendar-grid__event-count {
  font-size: 0.6875rem;
  color: var(--color-gray);
  font-weight: 500;
  margin-top: 2px;
}

/* --- Responsive --- */

/* Tablet */
@media (max-width: 1024px) {
  .calendar-grid__cell {
    min-height: 70px;
    padding: var(--space-xs);
  }

  .calendar-nav__title {
    font-size: 1.25rem;
    min-width: 180px;
  }
}

/* Mobile */
@media (max-width: 768px) {
  .calendar-section {
    margin-top: var(--space-md);
  }

  .calendar-nav {
    gap: var(--space-md);
    margin-bottom: var(--space-md);
  }

  .calendar-nav__title {
    font-size: 1.125rem;
    min-width: 160px;
  }

  .calendar-nav__btn {
    width: 36px;
    height: 36px;
  }

  .calendar-grid__header {
    font-size: 0.75rem;
    padding: var(--space-xs) 2px;
  }

  .calendar-grid__cell {
    min-height: 48px;
    padding: 4px;
  }

  .calendar-grid__day-number {
    font-size: 0.75rem;
  }

  .calendar-grid__cell--today .calendar-grid__day-number {
    width: 22px;
    height: 22px;
    font-size: 0.6875rem;
  }

  .calendar-grid__event-preview {
    display: none;
  }

  .calendar-grid__event-count {
    display: none;
  }

  .calendar-grid__dot {
    width: 6px;
    height: 6px;
  }

  .calendar-grid__dots {
    gap: 2px;
  }
}

/* Small mobile */
@media (max-width: 374px) {
  .calendar-grid__cell {
    min-height: 40px;
    padding: 2px;
  }

  .calendar-grid__day-number {
    font-size: 0.6875rem;
  }
}