/* =========================
   Booking page styles
   ========================= */
.booking-header {
  text-align: center;
  padding: 2rem 0;
  margin-bottom: 2rem;
}
.booking-header h1 {
  font-size: 2.4rem;
  margin-bottom: 1rem;
  color: var(--color-primary, #ff6b00);
}
.booking-header p {
  font-size: 1.1rem;
  max-width: 650px;
  margin: 0 auto;
  line-height: 1.6;
}

.booking-form {
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 15px;
  padding: 2rem;
  margin-bottom: 3rem;
  box-shadow: 0 8px 25px rgba(0,0,0,0.3);
}

/* Sections */
.form-section {
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.2);
}
.form-section:last-of-type {
  border-bottom: none; margin-bottom: 1rem; padding-bottom: 0;
}
.form-section h2 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--color-primary, #ff6b00);
  display: flex; align-items: center; gap: 10px;
}

/* Grid */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

/* Inputs */
.form-group { display: flex; flex-direction: column; }
.form-group label {
  font-weight: 600;
  margin-bottom: .5rem;
  color: #fff;
}
.form-group input,
.form-group textarea {
  padding: 12px 15px;
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: 8px;
  background: rgba(255,255,255,0.1);
  color: #fff;
  font-size: 1rem;
  transition: border-color .25s ease, background .25s ease, box-shadow .25s ease;
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}
/* Нативный select скрыт — заменён .csel */
.form-group select { display: none !important; }

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary, #ff6b00);
  background: rgba(255,255,255,0.15);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb, 255, 107, 0), 0.2);
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.5); }

/* =========================
   Custom Select (.csel)
   ========================= */
.csel {
  position: relative;
  width: 100%;
}
.csel--open {
  z-index: 200;
}

/* Ранние секции формы выше поздних — дропдауны не перекрываются */
.form-section { position: relative; }
.form-section:nth-child(1) { z-index: 7; }
.form-section:nth-child(2) { z-index: 6; }
.form-section:nth-child(3) { z-index: 5; }
.form-section:nth-child(4) { z-index: 4; }
.form-section:nth-child(5) { z-index: 3; }
.form-section:nth-child(6) { z-index: 2; }
.form-section:nth-child(7) { z-index: 1; }

/* Кнопка-триггер */
.csel-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 15px;
  background: rgba(255,255,255,0.1);
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: 10px;
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  text-align: left;
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  transition: border-color .2s, background .2s, box-shadow .2s, border-radius .15s;
  font-family: inherit;
}
.csel-btn:hover {
  border-color: rgba(255,255,255,0.38);
  background: rgba(255,255,255,0.15);
}
.csel--open .csel-btn {
  border-color: var(--color-primary, #ff6b00);
  border-bottom-color: transparent;
  border-radius: 10px 10px 0 0;
  box-shadow: 0 0 0 3px rgba(255,107,0,0.18);
  background: rgba(255,255,255,0.14);
}

.csel-label { flex: 1; line-height: 1.3; }
.csel-label--empty { color: rgba(255,255,255,0.45); }

.csel-arrow {
  flex-shrink: 0;
  color: rgba(255,255,255,0.55);
  font-size: .8rem;
  transition: transform .22s ease, color .2s;
}
.csel--open .csel-arrow {
  transform: rotate(180deg);
  color: var(--color-primary, #ff6b00);
}

/* Дропдаун */
.csel-drop {
  display: none;
  position: absolute;
  top: 100%; left: 0; right: 0;
  background: rgba(18, 18, 24, 0.97);
  border: 2px solid var(--color-primary, #ff6b00);
  border-top: none;
  border-radius: 0 0 10px 10px;
  max-height: 260px;
  overflow-y: auto;
  z-index: 300;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 14px 32px rgba(0,0,0,0.55);
}
.csel--open .csel-drop {
  display: block;
  animation: cselOpen .16s ease;
}
@keyframes cselOpen {
  from { opacity: 0; transform: translateY(-5px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Скроллбар дропдауна */
.csel-drop::-webkit-scrollbar { width: 4px; }
.csel-drop::-webkit-scrollbar-track { background: transparent; }
.csel-drop::-webkit-scrollbar-thumb {
  background: rgba(255,107,0,0.4);
  border-radius: 2px;
}

/* Опции */
.csel-item {
  padding: 11px 16px;
  color: rgba(255,255,255,0.82);
  cursor: pointer;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background .12s, color .12s, padding-left .12s;
  font-size: .97rem;
}
.csel-item:last-child { border-bottom: none; }

.csel-item:hover {
  background: rgba(255,107,0,0.18);
  color: #fff;
  padding-left: 22px;
}
.csel-item--selected {
  background: rgba(255,107,0,0.22);
  color: #fff;
  font-weight: 600;
  padding-left: 22px;
}
.csel-item--selected::before {
  content: '›';
  margin-right: 6px;
  color: var(--color-primary, #ff6b00);
}
.csel-item--placeholder {
  color: rgba(255,255,255,0.35);
  font-style: italic;
  cursor: default;
}
.csel-item--placeholder:hover {
  background: none;
  padding-left: 16px;
}

/* Для vehicle-option */
.vehicle-option .csel { margin-top: 1rem; }

@media (max-width: 480px) {
  .csel-btn  { font-size: .95rem; padding: 10px 12px; }
  .csel-item { padding: 10px 13px; font-size: .92rem; }
}

/* Vehicle selection */
.vehicle-selection {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}
.vehicle-option {
  background: rgba(255,255,255,0.06);
  padding: 1.5rem;
  border-radius: 10px;
  text-align: center;
  transition: transform .25s ease, background .25s ease;
}
.vehicle-option:hover {
  background: rgba(255,255,255,0.12);
  transform: translateY(-2px);
}
.vehicle-icon {
  display: flex; flex-direction: column; align-items: center; margin-bottom: 1rem;
}
.vehicle-icon img {
  width: 60px; height: 60px; object-fit: contain; margin-bottom: .5rem;
}
.vehicle-icon span {
  font-weight: 600;
  color: var(--color-primary, #ff6b00);
}
/* vehicle-option select тоже скрыт */
.vehicle-option select { display: none !important; }

.max-capacity {
  margin-top: .5rem; font-size: .95rem; color: rgba(255,255,255,0.85);
}
.max-capacity span {
  font-weight: 600; color: var(--color-accent-green, #4caf50);
}

/* Submit */
.form-submit { text-align: center; margin-top: 2rem; }
.submit-btn {
  background: linear-gradient(135deg, var(--color-primary, #ff6b00), var(--color-primary-hover, #ff8c33));
  color: #fff; border: none; padding: 15px 40px; font-size: 1.1rem; font-weight: 600;
  border-radius: 50px; cursor: pointer; display: inline-flex; align-items: center; gap: 10px;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
  box-shadow: 0 4px 15px rgba(var(--color-primary-rgb, 255, 107, 0), 0.4);
}
.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(var(--color-primary-rgb, 255, 107, 0), 0.5);
  background: linear-gradient(135deg, var(--color-primary-hover, #ff8c33), var(--color-primary, #ff6b00));
}
.submit-btn:active { transform: translateY(0); }
.submit-btn:disabled {
  background: rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.5);
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}
.submit-btn:disabled:hover {
  transform: none;
  box-shadow: none;
}

/* Checkbox для согласия */
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  font-weight: 500;
  user-select: none;
}
.checkbox-label input[type="checkbox"] {
  width: 20px;
  height: 20px;
  cursor: pointer;
  accent-color: var(--color-primary, #ff6b00);
  border-radius: 4px;
}
.checkbox-label span {
  line-height: 1.5;
}
.checkbox-label .privacy-link {
  color: var(--color-primary, #ff6b00);
  text-decoration: underline;
  transition: color 0.3s ease;
}
.checkbox-label .privacy-link:hover {
  color: var(--color-primary-hover, #ff8c33);
}

/* Validation */
.form-group input:invalid:not(:placeholder-shown),
.form-group select:invalid { border-color: #f44336; }
.form-group input:valid:not(:placeholder-shown),
.form-group select:valid   { border-color: var(--color-accent-green, #4caf50); }

/* Calendar/icons */
input[type="date"]::-webkit-calendar-picker-indicator,
input[type="time"]::-webkit-calendar-picker-indicator {
  filter: invert(1);
  opacity: 0.75;
  cursor: pointer;
}
input[type="date"]:hover::-webkit-calendar-picker-indicator,
input[type="time"]:hover::-webkit-calendar-picker-indicator {
  opacity: 1;
}

/* Responsive */
@media (max-width: 768px) {
  .booking-header h1 { font-size: 2rem; }
  .booking-form { padding: 1.5rem; }
  .form-grid { grid-template-columns: 1fr; gap: 1rem; }
  .vehicle-selection { grid-template-columns: 1fr; gap: 1.5rem; }
  .form-section h2 { font-size: 1.35rem; }
}
@media (max-width: 480px) {
  .booking-header h1 { font-size: 1.85rem; }
  .booking-form { padding: 1rem; }
  .vehicle-option { padding: 1rem; }
  .vehicle-icon img { width: 50px; height: 50px; }
  .submit-btn { padding: 12px 30px; font-size: 1rem; }
}