.quercus-calendar {
  max-width: 360px;
  margin: 24px auto;
  padding: 14px;
  border: 1px solid #d7e0d7;
  border-radius: 10px;
  background: #ffffff;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
  font-size: 14px;
}

.quercus-calendar__header {
  margin-bottom: 10px;
}

.quercus-calendar__title {
  margin: 0 0 8px;
  color: #37593f;
  font-size: 16px;
  text-align: center;
}

.quercus-calendar__nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.quercus-calendar__month {
  flex: 1;
  text-align: center;
  text-transform: capitalize;
  color: #2d4131;
  font-weight: 600;
}

.quercus-calendar__arrow {
  width: 30px;
  height: 30px;
  border: 1px solid #c7d6c9;
  border-radius: 50%;
  background: #f7faf7;
  color: #35563e;
  cursor: pointer;
  line-height: 1;
}

.quercus-calendar__arrow[disabled] {
  opacity: 0.4;
  cursor: default;
}

.quercus-calendar__grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.quercus-calendar__weekday {
  text-align: center;
  font-size: 12px;
  color: #6b7f6f;
  padding: 2px 0;
}

.quercus-calendar__day {
  min-height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  font-size: 13px;
}

.quercus-calendar__day--empty {
  background: transparent;
}

.quercus-calendar__day--free {
  background: #e8f4ea;
  color: #285537;
}

.quercus-calendar__day--busy {
  background: #f7d9d9;
  color: #8f2f2f;
}

.quercus-calendar__legend {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 10px;
  font-size: 12px;
  color: #526a57;
}

.quercus-legend {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 4px;
}

.quercus-legend--free {
  background: #5c9f6b;
}

.quercus-legend--busy {
  background: #c96464;
}