/* 0) Overlay & Modal Window */
.modal-overlay {
  display: none;
  position: fixed; inset:0;
  background: rgba(0,0,0,0.5);
  z-index:1000;
  justify-content:center; align-items:center;
}
.modal-window {
  background:#fff;
  border-radius:8px;
  /* width:380px; */
  /* max-width:95%; */
  /* max-height:95vh; */
  box-shadow:0 8px 24px rgba(0,0,0,0.2);
  animation:fadeIn 200ms ease-out;
  overflow:hidden;
  display:flex; flex-direction:column;
  box-shadow:
  0px 8px 32px 0px #12111726,
  0px 16px 48px 0px #12111726;

}
.book_trial_step1 {
  padding: 56px 24px;
  position: relative;
  width: 456px;
  height: 505px;
}
@keyframes fadeIn {
  from{opacity:0;transform:translateY(-10px);}
  to{opacity:1;transform:translateY(0);}
}

/* 1) Step 1 */
.book_trial_step1 .step-header {
  display:flex; align-items:center;
}
.book_trial_step1 .step-title {
  flex:1; margin:0; font-size:28px; font-weight: 600;
}
.book_trial_step1 .step-close {
  font-size:27px; cursor:pointer; user-select:none;
  position: absolute;
  top: 6px;
  right: 16px;
}
.book_trial_step1 .step-body {
  
  /* optional scroll if content overflows */
}
.book_trial_step1 .duration-option {
  display:flex; align-items:center;
   border-radius:9px;
  padding:16px; margin-block:16px;
  cursor:pointer; transition:background .15s;
  border: 2px solid #0000001F;
  height: 104px;
}
.book_trial_step1 .duration-option:hover {
  border: 2px solid var(--dark-text);
}
.book_trial_step1 .opt-icon { font-size:24px; margin-right:14px; }
.book_trial_step1 .opt-icon img {height: 24px; min-width: 24px;}
.book_trial_step1 .opt-text h3 { margin:0 0 4px; font-size:16px; font-weight: 500; color: var(--dark-text); }
.book_trial_step1 .opt-text p  { margin:0; font-size:14px; color:#555; color: var(--dark-text);}
.book_trial_step1 .opt-arrow    { margin-left:auto; font-size:20px; }

/* 2) Step 2 */
.book_trial_step2 .step-header {
  display:flex; align-items:center;
  padding:12px 16px; border-bottom:1px solid #eee;
}
.book_trial_step2 .step-back,
.book_trial_step2 .step-close {
  font-size:20px; cursor:pointer; user-select:none;
}
.book_trial_step2 .step-back { margin-right:12px; }
.book_trial_step2 .step-title { flex:1; margin:0; font-size:16px; text-align:center; }
.book_trial_step2 .step-body {
  max-height:75vh; overflow-y:scroll;
  /* hide scrollbar */
  scrollbar-width:none; -ms-overflow-style:none;
}
.book_trial_step2 .step-body::-webkit-scrollbar {
  width:0; background:transparent;
}
.book_trial_step2 .duration-tabs { display:flex; margin:12px 16px 0; }
.book_trial_step2 .duration-tab {
  flex:1; padding:10px 0; font-size:16px;
  border:1px solid #ddd; background:#f0f0f0; cursor:pointer;
}
.book_trial_step2 .duration-tab:first-child { border-radius:6px 0 0 6px; }
.book_trial_step2 .duration-tab:last-child  { border-radius:0 6px 6px 0; }
.book_trial_step2 .duration-tab.active      { background:#fff; border-bottom-color:#fff; }
.book_trial_step2 .calendar-nav {
  display:flex; align-items:center; justify-content:space-between;
  padding:0 16px; margin:8px 0;
}
.book_trial_step2 .nav-arrow {
  background:none; border:none; font-size:18px; cursor:pointer;
}
.book_trial_step2 .week-label { font-weight:600; font-size:14px; }
.book_trial_step2 .calendar-days {
  display:flex; justify-content:space-between; padding:0 16px; margin-bottom:8px;
}
.book_trial_step2 .day { text-align:center; cursor:pointer; }
.book_trial_step2 .day-name { display:block; font-size:12px; color:#888; }
.book_trial_step2 .day-num {
  display:block; margin-top:4px; width:24px; height:24px;
  line-height:24px; font-size:14px;
}
.book_trial_step2 .day.selected .day-num {
  background:#ff3b30; color:#fff; border-radius:50%;
}
.book_trial_step2 .day.today .day-num { font-weight:600; }
.book_trial_step2 .time-section {
  display:flex; align-items:center;
  font-size:16px; font-weight:600;
  margin:16px 16px 8px;
}
.book_trial_step2 .time-icon { font-size:18px; margin-right:8px; }
.book_trial_step2 .time-slots {
  display:flex; flex-wrap:wrap; gap:8px; padding:0 16px 8px;
}
.book_trial_step2 .time-slot {
  flex:1 1 45%; padding:10px;
  border:1px solid #ddd; border-radius:6px;
  background:#fff; cursor:pointer; font-size:14px;
}
.book_trial_step2 .time-slot.selected {
  border-color:#ff3b30; color:#ff3b30;
}
.book_trial_step2 .btn-continue {
  width:calc(100% - 32px); margin:0 16px 16px;
  padding:12px; background:#ff3b30; color:#fff;
  font-size:16px; border:none; border-radius:6px;
  cursor:pointer;
}

/* 3) Step 3 */
.book_trial_step3 .step-header {
  display:flex; align-items:center;
  padding:12px 16px; border-bottom:1px solid #eee;
}
.book_trial_step3 .step-back,
.book_trial_step3 .step-close {
  font-size:20px; cursor:pointer; user-select:none;
}
.book_trial_step3 .step-back { margin-right:12px; }
.book_trial_step3 .step3-title {
  flex:1; margin:0; font-size:18px; text-align:center;
}
.book_trial_step3 .step-body {
  max-height:85vh; overflow-y:scroll;
  padding-bottom:16px;
}
.book_trial_step3 .step-body::-webkit-scrollbar {
  width:0; background:transparent;
}
.book_trial_step3 .order-container {
  display:flex; flex-wrap:wrap; gap:16px; padding:16px;
}
.book_trial_step3 .teacher-card {
  flex:1 1 250px; border:1px solid #ddd;
  border-radius:6px; padding:16px;
}
.book_trial_step3 .teacher-subject { font-size:12px; color:#888; }
.book_trial_step3 .teacher-profile {
  display:flex; align-items:center; margin:8px 0;
}
.book_trial_step3 .teacher-avatar {
  width:48px; height:48px; border-radius:50%;
  margin-right:12px;
}
.book_trial_step3 .teacher-info { flex:1; }
.book_trial_step3 .teacher-name { margin:0; font-size:18px; }
.book_trial_step3 .teacher-rating { font-size:14px; color:#555; }
.book_trial_step3 .teacher-tags .tag {
  display:inline-block; font-size:12px;
  padding:2px 6px; margin-right:4px; border-radius:4px;
  background:#eef;
}
.book_trial_step3 .lessons-info {
  list-style:disc inside; margin:12px 0; padding:0;
}
.book_trial_step3 .your-order h3 {
  margin:12px 0; font-size:16px;
}
.book_trial_step3 .order-line {
  display:flex; justify-content:space-between; margin:4px 0;
}
.book_trial_step3 .order-total {
  display:flex; justify-content:space-between;
  font-weight:600; margin:8px 0;
}
.book_trial_step3 .promo-link {
  display:block; margin-top:8px;
  text-decoration:underline; font-size:14px;
}
.book_trial_step3 .payment-section {
  flex:1 1 250px;
}
.book_trial_step3 .payment-select {
  width:100%; padding:10px; margin:8px 0 16px;
  border:1px solid #ddd; border-radius:6px;
}
.book_trial_step3 .btn-confirm {
  width:100%; padding:12px; margin-bottom:16px;
  background:#ff3b30; color:#fff; font-size:16px;
  border:none; border-radius:6px; cursor:pointer;
}
.book_trial_step3 .review-carousel {
  display:flex; justify-content:flex-end; gap:8px;
  margin-bottom:8px;
}
.book_trial_step3 .rev-arrow {
  background:none; border:1px solid #ddd;
  border-radius:4px; padding:4px 8px; cursor:pointer;
}
.book_trial_step3 .review-card {
  display:flex; border:1px solid #ddd;
  border-radius:6px; padding:12px; margin-bottom:16px;
}
.book_trial_step3 .review-avatar {
  width:40px; height:40px; border-radius:50%;
  overflow:hidden; margin-right:12px;
}
.book_trial_step3 .review-content .review-author {
  font-weight:600; margin-bottom:4px;
}
.book_trial_step3 .promo-cta {
  background:#e6fffa; border-radius:6px;
  padding:12px; font-size:14px; margin-bottom:16px;
}
.book_trial_step3 .promo-disclaimer {
  background:#f7f7f7; border-radius:6px;
  padding:12px; font-size:14px;
}