:root {
  --sab-primary: #4A90D9;
  --sab-primary-dark: #357ABD;
  --sab-primary-light: #f0f7ff;
  --sab-success: #2E7D32;
  --sab-error: #C62828;
  --sab-warning: #F9A825;
  --sab-text: #1a1a2e;
  --sab-text-secondary: #4a5568;
  --sab-text-muted: #718096;
  --sab-border: #e2e8f0;
  --sab-border-light: #edf2f7;
  --sab-bg: #ffffff;
  --sab-bg-muted: #f7fafc;
  --sab-bg-hover: #f8fbff;
  --sab-radius: 12px;
  --sab-radius-sm: 8px;
  --sab-radius-lg: 16px;
  --sab-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --sab-shadow-lg: 0 8px 40px rgba(0,0,0,0.08);
  --sab-transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.sab-booking-wrap {
  max-width: 860px;
  margin: 30px auto;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: var(--sab-bg);
  border-radius: var(--sab-radius-lg);
  box-shadow: var(--sab-shadow-lg);
  overflow: hidden;
  line-height: 1.6;
}

.sab-booking-header {
  background: linear-gradient(135deg, var(--sab-primary) 0%, var(--sab-primary-dark) 100%);
  padding: 32px 40px;
  text-align: center;
  position: relative;
}

.sab-booking-header h2 {
  margin: 0;
  color: #fff;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.sab-booking-form { padding: 36px 40px; }

#sab-booking-messages { margin-bottom: 20px; }

.sab-error-message {
  background: #FEF2F2;
  color: var(--sab-error);
  padding: 14px 18px;
  border-radius: var(--sab-radius-sm);
  border-left: 4px solid var(--sab-error);
  font-size: 14px;
  margin-bottom: 10px;
  animation: sabFadeIn 0.3s ease;
}

.sab-success-message {
  text-align: center;
  padding: 60px 40px;
}

.sab-success-icon {
  font-size: 56px;
  margin-bottom: 16px;
  display: block;
}

.sab-success-message h3 {
  color: var(--sab-success);
  font-size: 22px;
  margin: 0 0 10px;
  font-weight: 700;
}

.sab-success-message p {
  color: var(--sab-text-secondary);
  margin: 0 0 24px;
  font-size: 15px;
}

.sab-loading {
  text-align: center;
  color: var(--sab-text-muted);
  padding: 30px;
  position: relative;
}

.sab-loading::after {
  content: '';
  display: block;
  width: 28px;
  height: 28px;
  border: 3px solid var(--sab-border);
  border-top-color: var(--sab-primary);
  border-radius: 50%;
  margin: 12px auto 0;
  animation: sabSpin 0.7s linear infinite;
}

.sab-step-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--sab-text);
  margin: 0 0 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--sab-border-light);
}

.sab-progress {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 28px;
  padding: 0 20px;
}

.sab-progress-step {
  flex: 1;
  max-width: 60px;
  height: 4px;
  border-radius: 4px;
  background: var(--sab-border);
  transition: background var(--sab-transition);
}

.sab-progress-step.active { background: var(--sab-primary); }
.sab-progress-step.done { background: var(--sab-success); }

.sab-services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.sab-service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 18px 20px;
  background: var(--sab-bg);
  border: 2px solid var(--sab-border);
  border-radius: var(--sab-radius);
  cursor: pointer;
  transition: all var(--sab-transition);
}

.sab-service-card:hover {
  border-color: var(--sab-primary);
  box-shadow: 0 4px 16px rgba(74,144,217,0.12);
  transform: translateY(-2px);
}

.sab-service-card input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.sab-service-card:has(input[type="radio"]:checked) {
  border-color: var(--sab-primary);
  background: var(--sab-bg-hover);
  box-shadow: 0 0 0 3px rgba(74,144,217,0.18);
  transform: translateY(-2px);
}

.sab-service-indicator {
  display: block;
  width: 100%;
  height: 4px;
  border-radius: 4px;
  margin-bottom: 12px;
}

.sab-service-name {
  font-weight: 700;
  font-size: 15px;
  color: var(--sab-text);
  margin-bottom: 6px;
}

.sab-service-details {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--sab-text-muted);
}

.sab-service-price {
  font-weight: 700;
  color: var(--sab-text);
  font-size: 15px;
}

.sab-service-desc {
  font-size: 13px;
  color: var(--sab-text-muted);
  margin-top: 8px;
  line-height: 1.5;
}

.sab-form-group { margin-bottom: 18px; }

.sab-form-group label {
  display: block;
  font-weight: 600;
  font-size: 14px;
  color: var(--sab-text-secondary);
  margin-bottom: 6px;
}

.sab-select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--sab-border);
  border-radius: var(--sab-radius-sm);
  font-size: 15px;
  background: var(--sab-bg);
  transition: all var(--sab-transition);
  color: var(--sab-text);
  line-height: 1.5;
}

.sab-select option {
  word-break: break-word;
  overflow-wrap: break-word;
}

.sab-select:focus {
  border-color: var(--sab-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(74,144,217,0.15);
}

.sab-datetime-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

@media (max-width: 640px) {
  .sab-datetime-grid { grid-template-columns: 1fr; }
}

.sab-datepicker-wrap label,
.sab-timeslots-wrap label {
  display: block;
  font-weight: 600;
  font-size: 14px;
  color: var(--sab-text-secondary);
  margin-bottom: 10px;
}

#sab-datepicker table { width: 100%; border-collapse: collapse; }

.ui-datepicker {
  background: var(--sab-bg);
  border: 2px solid var(--sab-border);
  border-radius: var(--sab-radius);
  padding: 14px;
  width: auto;
  min-width: 280px;
  max-width: 100%;
  box-shadow: var(--sab-shadow-lg);
}

.ui-datepicker-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--sab-border-light);
}

.ui-datepicker-title {
  font-weight: 700;
  font-size: 15px;
  color: var(--sab-text);
}

.ui-datepicker-prev,
.ui-datepicker-next {
  cursor: pointer;
  color: var(--sab-primary);
  font-size: 18px;
  user-select: none;
  padding: 2px 8px;
  border-radius: 4px;
  transition: background var(--sab-transition);
}

.ui-datepicker-prev:hover,
.ui-datepicker-next:hover {
  background: var(--sab-primary-light);
  color: var(--sab-primary-dark);
}

.ui-datepicker-calendar th {
  text-align: center;
  font-size: 11px;
  font-weight: 700;
  color: var(--sab-text-muted);
  text-transform: uppercase;
  padding: 6px 0;
}

.ui-datepicker-calendar td { text-align: center; padding: 2px; }

.ui-datepicker-calendar td a,
.ui-datepicker-calendar td span {
  display: block;
  width: 36px;
  height: 36px;
  line-height: 36px;
  text-align: center;
  border-radius: 50%;
  font-size: 13px;
  color: var(--sab-text-secondary);
  text-decoration: none;
  transition: all var(--sab-transition);
}

.ui-datepicker-calendar td a:hover {
  background: var(--sab-primary-light);
  color: var(--sab-primary);
}

.ui-datepicker-calendar td a.ui-state-active {
  background: var(--sab-primary);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(74,144,217,0.3);
}

.ui-datepicker-calendar td.ui-datepicker-unselectable span { color: #d1d5db; }

.ui-datepicker-calendar td.ui-datepicker-today a {
  font-weight: 700;
  color: var(--sab-primary);
  background: var(--sab-primary-light);
}

.sab-timeslots {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 8px;
  max-height: 340px;
  overflow-y: auto;
  padding: 4px 0;
}

.sab-time-slot {
  padding: 10px 6px;
  text-align: center;
  border: 2px solid var(--sab-border);
  border-radius: var(--sab-radius-sm);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  color: var(--sab-text-secondary);
  transition: all var(--sab-transition);
  background: var(--sab-bg);
  user-select: none;
}

.sab-time-slot:hover {
  border-color: var(--sab-primary);
  background: var(--sab-primary-light);
  color: var(--sab-primary);
  transform: translateY(-1px);
}

.sab-time-slot.selected {
  border-color: var(--sab-primary);
  background: var(--sab-primary);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(74,144,217,0.3);
}

.sab-time-slot-booked {
  border-color: var(--sab-border);
  background: #f5f5f5;
  color: #bbb;
  cursor: not-allowed;
  text-decoration: line-through;
  opacity: 0.6;
}

.sab-time-slot-booked:hover {
  transform: none;
  border-color: var(--sab-border);
  background: #f5f5f5;
  color: #bbb;
}

#sab-no-slots {
  color: var(--sab-text-muted);
  font-style: italic;
  text-align: center;
  padding: 24px 16px;
  background: var(--sab-bg-muted);
  border-radius: var(--sab-radius-sm);
  font-size: 14px;
}

.sab-summary {
  background: var(--sab-bg-muted);
  border-radius: var(--sab-radius);
  padding: 18px 20px;
  margin-bottom: 24px;
}

.sab-summary-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 8px 0;
  border-bottom: 1px solid var(--sab-border-light);
  gap: 12px;
}

.sab-summary-item:last-child { border-bottom: none; }

.sab-summary-label {
  font-weight: 600;
  color: var(--sab-text-secondary);
  font-size: 14px;
  flex-shrink: 0;
}

.sab-summary-item .sab-summary-value {
  color: var(--sab-text);
  font-weight: 500;
  text-align: right;
  word-break: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
}

.sab-input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--sab-border);
  border-radius: var(--sab-radius-sm);
  font-size: 15px;
  transition: all var(--sab-transition);
  background: var(--sab-bg);
  box-sizing: border-box;
  color: var(--sab-text);
  line-height: 1.5;
}

.sab-input:focus {
  border-color: var(--sab-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(74,144,217,0.15);
}

.sab-input::placeholder { color: #a0aec0; }

textarea.sab-input { resize: vertical; min-height: 80px; }

.sab-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 640px) {
  .sab-form-row { grid-template-columns: 1fr; }
}

.sab-form-navigation {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 2px solid var(--sab-border-light);
}

.sab-form-navigation .button {
  padding: 12px 28px;
  border-radius: var(--sab-radius-sm);
  font-size: 15px;
  font-weight: 600;
  border: 2px solid var(--sab-border);
  cursor: pointer;
  transition: all var(--sab-transition);
  background: var(--sab-bg);
  color: var(--sab-text-secondary);
  line-height: 1.4;
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.sab-form-navigation .button:hover {
  background: var(--sab-bg-muted);
  border-color: #d1d5db;
}

.sab-form-navigation .button-primary {
  background: var(--sab-primary);
  border-color: var(--sab-primary);
  color: #fff;
}

.sab-form-navigation .button-primary:hover {
  background: var(--sab-primary-dark);
  border-color: var(--sab-primary-dark);
  box-shadow: 0 4px 12px rgba(74,144,217,0.3);
}

.sab-form-navigation .button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
}

.sab-message {
  padding: 12px 16px;
  border-radius: var(--sab-radius-sm);
  margin: 14px 0;
  font-size: 14px;
}

.sab-message.sab-success {
  background: #f0fff4;
  border: 1px solid #c6f6d5;
  color: var(--sab-success);
}

.sab-message.sab-error {
  background: #fff5f5;
  border: 1px solid #fed7d7;
  color: var(--sab-error);
}

#sab-otp {
  max-width: 200px;
  text-align: center;
  font-size: 22px;
  letter-spacing: 8px;
}

.sab-verify-otp-btn {
  min-width: 160px;
}

@keyframes sabFadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes sabSpin {
  to { transform: rotate(360deg); }
}

@media (max-width: 640px) {
  .sab-booking-form { padding: 20px; }
  .sab-booking-header { padding: 24px 20px; }
  .sab-booking-header h2 { font-size: 18px; }
  .sab-services-grid { grid-template-columns: 1fr; }
  .sab-form-navigation { flex-direction: column; }
  .sab-form-navigation .button { width: 100%; text-align: center; }
  .sab-progress { gap: 4px; }
  .sab-progress-step { max-width: 40px; }
}