/* ── HERO ── */
.calendar-hero {
  background: #fff;

  padding-top: calc(90px + 50px);

  text-align: center;

  position: relative;
}
.calendar-hero-badge {
  font-size: var(--fs-small);

  font-weight: 600;

  color: var(--secondary);

  letter-spacing: 2px;

  text-transform: uppercase;

  margin-bottom: 10px;

  font-family: var(--font-heading);
}
.calendar-hero h1 {
  font-family: var(--font-heading);

  font-size: var(--fs-h1);

  color: #1d3557;

  font-weight: 700;
}

.calendar-year {
  font-size: 3rem;

  font-weight: 700;

  color: #1d3557;
}

.calendar-school-th {
  font-family: var(--font-body);
  font-size: var(--fs-card-title);
  font-weight: 500;
  color: var(--dark);

  margin-top: 20px;
  margin-bottom: 2px;
}

.calendar-school-en {
  font-family: var(--font-body);
  font-size: var(--fs-card-title);
  color: var(--gray);

  margin-bottom: 35px;
}

.calendar-hero-btns {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.calendar-btn-white {
  background: #1d3557;
  color: #ffffff;
  border: 1px solid #1d3557;
  padding: 11px 24px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
}
.calendar-btn-white:hover {
  background: #e63946;
  border-color: #6d2727;
}
.calendar-btn-outline {
  background: var(--primary);

  color: var(--white);

  font-family: var(--font-body);

  font-size: var(--fs-text);

  padding: 14px 30px;

  border-radius: var(--radius-md);

  transition: var(--transition-normal);

  display: inline-flex;

  align-items: center;

  gap: 10px;
}

.calendar-btn-outline:hover {
  background: var(--secondary);

  transform: translateY(-2px);

  box-shadow: var(--shadow-md);
}

/* ── MAIN ── */
.calendar-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px;
}

.calendar-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}
.calendar-section-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

.calendar-filter-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.calendar-filter-tabs {
  display: flex;
  gap: 6px;
}
.calendar-tab {
  padding: 10px 24px;
  border-radius: 20px;
  font-size: 1.25rem;
  font-family: var(--font-body);
  font-weight: 600;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  cursor: pointer;
  color: var(--text-secondary);
  transition: all 0.2s;
}
.calendar-tab:hover {
  background: #f9fafb;
}
.calendar-tab.active {
  background: #1d3557;
  color: #fff;
  border-color: #1d3557;
}

.calendar-legend {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}
.calendar-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 400;
}
.calendar-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  flex-shrink: 0;
}

/* ── MONTH GRID ── */
.calendar-month-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 28px;
}
.calendar-month-card {
  background: var(--white);

  border: 1px solid var(--border-color);

  border-radius: var(--radius-lg);

  overflow: hidden;

  box-shadow: var(--shadow-sm);

  transition: var(--transition-normal);
}
.calendar-month-card:hover {
  transform: translateY(-8px);

  box-shadow: var(--shadow-lg);
}
.calendar-month-header {
  padding: 18px 24px;
  background: linear-gradient(to right, #ffffff, #f8f9fc);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
}
.calendar-month-name {
  font-family: var(--font-body);

  font-size: var(--fs-card-title);

  font-weight: 700;

  color: var(--primary);

  letter-spacing: 0.3px;
}
.calendar-month-count {
  font-size: 11px;
  font-weight: 600;
  color: #6b7280;
  background: #e5e7eb;
  padding: 3px 10px;
  border-radius: 10px;
}

/* Mini calendar */
.calendar-cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  padding: 16px 14px 12px;
  gap: 2px;
}
.calendar-cal-day-name {
  text-align: center;
  font-size: 18px;
  color: var(--text-muted);
  padding: 4px 0 8px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.calendar-cal-day-name:first-child {
  color: var(--red);
}
.calendar-cal-day-name:last-child {
  color: var(--blue);
}

.calendar-cal-day {
  text-align: center;
  font-size: 1.2rem;
  padding: 7px 2px;
  border-radius: 8px;
  color: var(--text-secondary);
  cursor: default;
  line-height: 1.4;
  font-weight: 400;
  transition: background 0.15s;
}
.calendar-cal-day.empty {
  color: transparent;
  pointer-events: none;
}
.calendar-cal-day.holiday {
  background: var(--red-soft);
  color: var(--red);
  font-weight: 700;
}
.calendar-cal-day.exam {
  background: var(--purple-soft);
  color: var(--purple);
  font-weight: 700;
}
.calendar-cal-day.activity {
  background: var(--gray-soft);
  color: var(--gray);
  font-weight: 700;
}
.calendar-cal-day.sun {
  color: var(--red);
}
.calendar-cal-day.sat {
  color: var(--blue);
}

/* Events list */
.calendar-events-list {
  padding: 12px 0 10px;
  margin: 0 16px 14px;
  border-top: 1px solid var(--border);
}
.calendar-event-item {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 10px 12px;
  margin: 3px 0;
  border-radius: 8px;
  font-size: 14px;
  line-height: 1.4;
  transition: background 0.15s;
  text-decoration: none;
  cursor: pointer;
}
.calendar-event-item:hover {
  background: #f8f9fc;

  transform: translateX(3px);
}
.calendar-event-item.holiday-row {
  border-left: 3px solid var(--red);
  padding-left: 10px;
  background: #fff5f5;
}
.calendar-event-item.exam-row {
  border-left: 3px solid var(--purple);
  padding-left: 10px;
  background: var(--purple-soft);
}
.calendar-event-item.activity-row {
  border-left: 3px solid var(--gray);
  padding-left: 10px;
  background: var(--gray-soft);
}
.calendar-event-day {
  min-width: 54px;
  font-weight: 700;
  font-size: 15px;
  text-align: right;
  padding-right: 12px;
  flex-shrink: 0;
  white-space: nowrap;
}
.calendar-event-day.holiday {
  color: var(--red);
}
.calendar-event-day.exam {
  color: var(--purple);
}
.calendar-event-day.activity {
  color: var(--gray);
}
.calendar-event-text {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-primary);
}
.calendar-event-text.holiday {
  color: var(--red);
  font-weight: 600;
}
.calendar-event-text.exam {
  color: var(--purple);
  font-weight: 600;
}
.calendar-event-text.activity {
  color: var(--gray);
  font-weight: 500;
}

/* ── RESPONSIVE ── */
@media (max-width: 640px) {
  .calendar-hero {
    padding: 40px 20px 36px;
  }
  .calendar-hero h1 {
    font-size: 22px;
  }
  .calendar-main {
    padding: 20px 16px;
  }
  .calendar-month-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .calendar-section-header {
    flex-direction: column;
    align-items: flex-start;
  }
}