body {
  margin: 0;
  padding: 0;
  font-family: "Inter", "Lucida Grande", Helvetica, Arial, sans-serif;
  background: #eaeaea;
  color: #222;
}

.calendar-container {
  max-width: 1100px;
  margin: 40px auto;
  background: #fff;
  border-radius: 6px;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.07);
  padding-bottom: 40px;
}

.calendar-header {
  background: #04316a;
  color: #fff;
  font-size: 2rem;
  font-weight: 700;
  padding: 28px 32px;
  border-radius: 6px 6px 0 0;
  letter-spacing: 0.01em;
}

.calendar-content {
  padding: 32px 32px 0 32px;
}

.calendar-labels {
  margin-bottom: 32px;
}
.calendar-label-main {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.calendar-label-duration {
  font-size: 1rem;
  margin-bottom: 8px;
}
.calendar-label-duration span {
  font-weight: 400;
}
.calendar-label-timezone {
  font-size: 1rem;
  margin-bottom: 8px;
}
.timezone-btn {
  background: none;
  border: none;
  color: #888;
  font-weight: 500;
  cursor: pointer;
  text-decoration: underline;
  font-size: 1rem;
  margin-left: 8px;
}

/* Modal Overlay */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}
.modal-content {
  background: #fff;
  border-radius: 8px;
  padding: 32px 40px;
  min-width: 340px;
  max-width: 90vw;
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.modal-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}
.modal-format-switch {
  margin-bottom: 18px;
  font-size: 0.98rem;
  display: flex;
  gap: 16px;
}
.timezone-groups {
  display: flex;
  flex-wrap: wrap;
  gap: 32px 48px;
  justify-content: center;
}
.timezone-group {
  min-width: 180px;
}
.timezone-group-title {
  font-size: 0.98rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: #04316a;
}
.timezone-option {
  display: block;
  margin-bottom: 8px;
  font-size: 0.97rem;
  cursor: pointer;
}

/* Calendar Table */
.calendar-table-wrapper {
  overflow-x: auto;
  margin-bottom: 24px;
}
.calendar-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: #fff;
}
.calendar-table th,
.calendar-table td {
  text-align: center;
  padding: 8px 0;
  min-width: 120px;
}
.calendar-table th {
  font-size: 1rem;
  font-weight: 600;
  color: #04316a;
  border-bottom: 2px solid #eaeaea;
  padding-bottom: 12px;
}
.calendar-day-label {
  font-size: 1.05rem;
  font-weight: 600;
}
.calendar-date-label {
  font-size: 0.98rem;
  color: #888;
  font-weight: 400;
}
.calendar-slot-btn {
  background: #f5f8fa;
  border: 1px solid #dbe6f3;
  border-radius: 5px;
  color: #04316a;
  font-size: 1rem;
  padding: 7px 0;
  width: 90%;
  margin: 0 auto;
  cursor: pointer;
  transition: background 0.15s, border 0.15s;
  font-weight: 500;
}
.calendar-slot-btn:hover {
  background: #e6f0ff;
  border-color: #04316a;
}
.calendar-table td {
  border-bottom: 1px solid #f0f0f0;
  height: 44px;
}

.calendar-week-nav {
  display: flex;
  justify-content: flex-end;
  gap: 18px;
  margin-top: 12px;
  font-size: 1rem;
}
.calendar-week-nav a {
  color: #04316a;
  text-decoration: underline;
  font-weight: 500;
  cursor: pointer;
}

/* Booking Form */
.booking-form {
  max-width: 420px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.form-error {
  color: red;
  font-size: 0.9rem;
  font-weight: 500;
  margin-top: 4px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group label {
  font-weight: 600;
  font-size: 1rem;
  color: #222;
}
.form-group input,
.form-group textarea {
  border: 1px solid #dbe6f3;
  border-radius: 5px;
  padding: 8px 10px;
  font-size: 1rem;
  font-family: inherit;
  background: #f5f8fa;
  resize: none;
}
.form-group textarea {
  min-height: 70px;
}
.form-submit-btn {
  background: #04316a;
  color: #fff;
  border: none;
  border-radius: 5px;
  font-size: 1.08rem;
  font-weight: 600;
  padding: 10px 0;
  margin-top: 10px;
  cursor: pointer;
  transition: background 0.15s;
}
.form-submit-btn:hover {
  background: #0050b3;
}

/* Success Message */
.success-message {
  text-align: center;
  font-size: 1.15rem;
  font-weight: 500;
  margin-top: 60px;
}

/* Responsive Styles */
@media (max-width: 900px) {
  .calendar-container {
    max-width: 98vw;
    margin: 16px auto;
  }
  .calendar-content {
    padding: 18px 6vw 0 6vw;
  }
  .modal-content {
    padding: 18px 8vw;
  }
  .calendar-table th,
  .calendar-table td {
    min-width: 80px;
    font-size: 0.98rem;
  }
}
@media (max-width: 600px) {
  .calendar-header {
    font-size: 1.2rem;
    padding: 18px 10px;
  }
  .calendar-content {
    padding: 10px 2vw 0 2vw;
  }
  .modal-content {
    min-width: 90vw;
    padding: 10px 2vw;
  }
  .calendar-table th,
  .calendar-table td {
    min-width: 60px;
    font-size: 0.93rem;
    padding: 4px 0;
  }
  .booking-form {
    max-width: 98vw;
  }
}