.pb-widget {
  --pb-primary: #3b82f6;
  --pb-primary-hover: color-mix(in srgb, var(--pb-primary) 85%, black);
  --pb-bg: #ffffff;
  --pb-bg-muted: #f4f4f5;
  --pb-border: #e4e4e7;
  --pb-text: #18181b;
  --pb-heading: #18181b;
  --pb-text-muted: #71717a;
  --pb-calendar-bg: #f4f4f5;
  --pb-calendar-text: #18181b;
  --pb-calendar-hover: color-mix(in srgb, var(--pb-calendar-bg) 85%, black);
  --pb-radius: 8px;
  
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  width: 100%;
  max-width: 100%;
  margin: 1.5rem 0;
  padding: 1.5rem;
  background: var(--pb-bg);
  border: 1px solid var(--pb-border);
  border-radius: var(--pb-radius);
  box-sizing: border-box;
  color: var(--pb-text);
}

.pb-widget *,
.pb-widget *::before,
.pb-widget *::after {
  box-sizing: border-box;
}

.pb-loading {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--pb-text);
}

.pb-spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--pb-border);
  border-top-color: var(--pb-primary);
  border-radius: 50%;
  margin: 0 auto 1rem;
  animation: pb-spin 0.8s linear infinite;
}

@keyframes pb-spin {
  to { transform: rotate(360deg); }
}

.pb-error {
  text-align: center;
  padding: 1.5rem;
  color: #dc2626;
}

.pb-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 1.5rem;
  border-bottom: 2px solid var(--pb-border);
}

.pb-tab {
  flex: 1;
  padding: 0.75rem 1rem;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--pb-text-muted);
  transition: color 0.15s, border-color 0.15s;
}

.pb-tab:hover {
  color: var(--pb-text);
}

.pb-tab-active {
  color: var(--pb-primary);
  border-bottom-color: var(--pb-primary);
}

.pb-title {
  margin: 0 0 0.25rem;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--pb-heading);
}

.pb-vehicle-name {
  margin: 0 0 1rem;
  color: var(--pb-text-muted);
  font-size: 0.9rem;
}

.pb-step-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.pb-back-btn {
  background: var(--pb-bg);
  border: 1px solid var(--pb-border);
  padding: 0.4rem 0.6rem;
  border-radius: var(--pb-radius);
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--pb-text);
  transition: background 0.15s;
}

.pb-back-btn:hover {
  background: var(--pb-bg-muted);
}

.pb-calendar-wrapper {
  border: 1px solid var(--pb-border);
  border-radius: var(--pb-radius);
  overflow: hidden;
}

.pb-calendar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 0.75rem;
  background: var(--pb-calendar-bg);
  color: var(--pb-calendar-text);
}

.pb-month-year {
  color: var(--pb-calendar-text);
  font-weight: 600;
  font-size: 0.95rem;
}

.pb-nav-btn {
  background: var(--pb-bg);
  border: 1px solid var(--pb-border);
  width: 28px;
  height: 28px;
  border-radius: var(--pb-radius);
  cursor: pointer;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--pb-text);
  transition: background 0.15s;
}

.pb-nav-btn:hover {
  background: var(--pb-border);
}

.pb-calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  padding: 0.4rem 0.5rem;
  font-size: 0.75rem;
  color: var(--pb-calendar-text);
  font-weight: 500;
  background: var(--pb-calendar-bg);
  border-bottom: 1px solid var(--pb-border);
}

.pb-calendar-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  padding: 0.5rem;
}

.pb-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: none;
  font-size: 0.85rem;
  cursor: pointer;
  border-radius: var(--pb-radius);
  transition: background 0.15s, color 0.15s;
  color: var(--pb-calendar-text);
}

.pb-day:hover:not(.pb-day-disabled):not(.pb-day-empty) {
  background: var(--pb-calendar-hover);
}

.pb-day-today {
  font-weight: 600;
  border: 1px solid var(--pb-primary);
}

.pb-day-selected {
  background: var(--pb-primary) !important;
  color: white !important;
}

.pb-day-disabled {
  color: var(--pb-text-muted);
  cursor: not-allowed;
  opacity: 0.5;
}

.pb-day-empty {
  cursor: default;
}

.pb-time-slots {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.pb-time-slot {
  padding: 0.5rem 0.75rem;
  background: var(--pb-bg);
  border: 1px solid var(--pb-border);
  border-radius: var(--pb-radius);
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--pb-text);
  transition: background 0.15s, border-color 0.15s;
  min-width: 70px;
  text-align: center;
}

.pb-time-slot:hover {
  background: var(--pb-bg-muted);
  border-color: var(--pb-primary);
}

.pb-time-slot-selected {
  background: var(--pb-primary) !important;
  border-color: var(--pb-primary) !important;
  color: white !important;
}

.pb-no-slots {
  color: var(--pb-text-muted);
  font-style: italic;
  padding: 1rem 0;
}

.pb-form {
  margin-top: 0.75rem;
}

.pb-form-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.pb-form-row .pb-form-group {
  flex: 1;
  min-width: 140px;
}

.pb-form-group {
  margin-bottom: 0.75rem;
}

.pb-form-group label {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--pb-text);
}

.pb-form-group input,
.pb-form-group textarea {
  width: 100%;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--pb-border);
  border-radius: var(--pb-radius);
  font-size: 0.9rem;
  font-family: inherit;
  background: var(--pb-bg);
  color: var(--pb-text);
  transition: border-color 0.15s;
}

.pb-form-group input:focus,
.pb-form-group textarea:focus {
  outline: none;
  border-color: var(--pb-primary);
}

.pb-form-group textarea {
  resize: vertical;
  min-height: 60px;
}

.pb-phone-group {
  display: flex;
  gap: 0.5rem;
}

.pb-country-code {
  width: 80px;
  flex-shrink: 0;
  padding: 0.5rem;
  border: 1px solid var(--pb-border);
  border-radius: var(--pb-radius);
  background: var(--pb-bg);
  color: var(--pb-text);
  font-size: 0.9rem;
  cursor: pointer;
}

.pb-country-code:focus {
  outline: none;
  border-color: var(--pb-primary);
}

.pb-phone-input {
  flex: 1;
}

.pb-phone-hint {
  display: block;
  font-size: 0.75rem;
  color: var(--pb-text-muted);
  margin-top: 0.25rem;
}

.pb-submit-btn {
  width: 100%;
  padding: 0.65rem 1rem;
  background: var(--pb-primary);
  color: white;
  border: none;
  border-radius: var(--pb-radius);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s;
  margin-top: 0.5rem;
}

.pb-submit-btn:hover {
  background: var(--pb-primary-hover);
}

.pb-submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.pb-step-success,
.pb-inquiry-success {
  text-align: center;
  padding: 1.5rem 1rem;
}

.pb-success-icon {
  width: 48px;
  height: 48px;
  background: #22c55e;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.5rem;
  font-weight: bold;
}

.pb-step-success h3,
.pb-inquiry-success h3 {
  margin: 0 0 0.5rem;
  color: var(--pb-text);
  font-size: 1.1rem;
}

.pb-step-success p,
.pb-inquiry-success p {
  margin: 0;
  color: var(--pb-text-muted);
  font-size: 0.9rem;
}

.pb-selected-date,
.pb-booking-summary {
  font-weight: 500;
  color: var(--pb-text);
  font-size: 0.9rem;
}

@media (max-width: 480px) {
  .pb-widget {
    padding: 1rem;
    margin: 1rem 0;
  }
  
  .pb-form-row {
    flex-direction: column;
  }
  
  .pb-form-row .pb-form-group {
    min-width: 100%;
  }
  
  .pb-time-slot {
    min-width: calc(33% - 0.5rem);
  }
}

/* Verification Section */
.pb-verification-section {
  margin: 1rem 0;
  padding: 1rem;
  background: var(--pb-bg-muted);
  border: 1px solid var(--pb-border);
  border-radius: var(--pb-radius);
}

.pb-verification-notice {
  margin: 0 0 0.75rem;
  font-size: 0.9rem;
  color: var(--pb-text-muted);
}

.pb-send-code-btn,
.pb-verify-code-btn,
.pb-resend-code-btn {
  display: inline-block;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--pb-radius);
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
}

.pb-send-code-btn,
.pb-verify-code-btn {
  background: var(--pb-primary);
  color: white;
  border: none;
}

.pb-send-code-btn:hover,
.pb-verify-code-btn:hover {
  background: var(--pb-primary-hover);
}

.pb-send-code-btn:disabled,
.pb-verify-code-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.pb-resend-code-btn {
  background: transparent;
  color: var(--pb-primary);
  border: 1px solid var(--pb-primary);
  margin-left: 0.5rem;
}

.pb-resend-code-btn:hover {
  background: color-mix(in srgb, var(--pb-primary) 10%, transparent);
}

.pb-verification-buttons {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.pb-verified-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: #16a34a;
  color: white;
  border-radius: var(--pb-radius);
  font-weight: 500;
  font-size: 0.9rem;
}

.pb-btn-disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

#pb-code {
  font-size: 1.1rem;
  letter-spacing: 0.2em;
  text-align: center;
}