/* ============================================================
   calendar.css — NeuroIAMSPE
   Calendar component styles
   ============================================================ */

/* ------------------------------------------------------------
   Calendar wrapper
   ------------------------------------------------------------ */
.calendar {
  width: 100%;
  max-width: 375px;
  margin: 0 auto;
  background-color: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  user-select: none;
}

/* ------------------------------------------------------------
   Calendar Header
   ------------------------------------------------------------ */
.calendar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) var(--space-4);
  background-color: var(--white);
  border-bottom: 1px solid var(--light);
}

.calendar-header__month {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.03em;
  text-transform: capitalize;
}

.calendar-header__year {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--gray);
  margin-left: var(--space-1);
}

/* ------------------------------------------------------------
   Navigation Buttons
   ------------------------------------------------------------ */
.calendar-nav-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  background: none;
  border: none;
  color: var(--primary);
  font-size: 24px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  flex-shrink: 0;
  line-height: 1;
}

.calendar-nav-btn:hover {
  background-color: var(--light);
}

.calendar-nav-btn:active {
  background-color: var(--beige);
}

/* ------------------------------------------------------------
   Calendar Grid
   ------------------------------------------------------------ */
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  padding: var(--space-2) var(--space-3) var(--space-3);
}

/* Weekday labels row */
.calendar-weekday {
  text-align: center;
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 700;
  color: var(--gray);
  padding: var(--space-2) 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ------------------------------------------------------------
   Calendar Day
   ------------------------------------------------------------ */
.calendar-day {
  aspect-ratio: 1 / 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color var(--transition-fast);
  position: relative;
  font-size: 14px;
  font-weight: 400;
  color: #333;
}

.calendar-day:hover {
  background-color: var(--beige);
}

.calendar-day:active {
  background-color: color-mix(in srgb, var(--beige) 70%, var(--primary));
}

/* Today */
.calendar-day--today {
  font-weight: 700;
  border: 2px solid var(--primary);
  color: var(--primary);
}

/* Day from previous or next month */
.calendar-day--other-month {
  opacity: 0.3;
  pointer-events: none;
}

/* Selected day */
.calendar-day--selected {
  background-color: var(--primary);
  color: var(--white);
  font-weight: 700;
}

.calendar-day--selected:hover {
  background-color: color-mix(in srgb, var(--primary) 85%, black);
}

/* Day number */
.calendar-day__number {
  font-size: 14px;
  line-height: 1;
}

/* ------------------------------------------------------------
   Session Indicators (dots)
   ------------------------------------------------------------ */
.calendar-day--has-session {
  /* no extra layout needed; dots appear below the number */
}

.session-dots {
  display: flex;
  gap: 2px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 2px;
  max-width: 100%;
}

.session-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Status colors */
.session-dot--agendada  { background-color: var(--status-agendada); }
.session-dot--realizada { background-color: var(--status-realizada); }
.session-dot--cancelada { background-color: var(--status-cancelada); }
.session-dot--atrasada  { background-color: var(--status-atrasada); }

/* On selected day, make dots slightly lighter for contrast */
.calendar-day--selected .session-dot {
  opacity: 0.8;
}

/* ------------------------------------------------------------
   Calendar Legend (optional helper component)
   ------------------------------------------------------------ */
.calendar-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--light);
}

.calendar-legend__item {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-heading);
  font-size: 11px;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}