/* ============================================================
   pages/booking.css — Patient-facing booking flow
   All classes prefixed `bk-`. Shared components (.btn, .section,
   etc.) live in components.css and are NOT redefined here.
   Loaded after: base.css → layout.css → components.css
   ============================================================ */

/* ── Page shell ──────────────────────────────────────────── */
#boeking {
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-4xl);
}

.bk-step-heading {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  line-height: var(--leading-tight);
  color: var(--color-text);
  margin-bottom: var(--space-xl);
}

/* ── Progress indicator ──────────────────────────────────── */
.bk-progress {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  max-width: 640px;
  margin: 0 auto var(--space-2xl);
  padding: 0 var(--space-sm);
}

.bk-progress__step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex: 0 0 auto;
  width: 96px;
  position: relative;
  z-index: 1;
}

.bk-progress__circle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--weight-semibold);
  font-size: var(--text-lg);
  background: var(--color-border);
  color: var(--color-text-muted);
  border: 2px solid var(--color-border);
  transition: background var(--transition-base), color var(--transition-base),
              border-color var(--transition-base);
}

.bk-progress__label {
  margin-top: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-snug);
  transition: color var(--transition-base);
}

.bk-progress__line {
  flex: 1 1 auto;
  height: 2px;
  background: var(--color-border);
  margin-top: 19px; /* vertically centers against 40px circle */
  position: relative;
  z-index: 0;
  transition: background var(--transition-base);
}

/* Active step */
.bk-progress__step.is-active .bk-progress__circle {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}
.bk-progress__step.is-active .bk-progress__label {
  color: var(--color-primary);
  font-weight: var(--weight-semibold);
}

/* Completed step */
.bk-progress__step.is-complete .bk-progress__circle {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}
.bk-progress__step.is-complete .bk-progress__number {
  display: none;
}
.bk-progress__step.is-complete .bk-progress__check {
  display: block;
}
.bk-progress__check {
  display: none;
  width: 20px;
  height: 20px;
}
.bk-progress__line.is-complete {
  background: var(--color-primary);
}

@media (max-width: 480px) {
  .bk-progress__step { width: 72px; }
  .bk-progress__circle { width: 34px; height: 34px; font-size: var(--text-base); }
  .bk-progress__line { margin-top: 16px; }
  .bk-progress__label { font-size: var(--text-xs); }
}

/* ── Step containers ─────────────────────────────────────── */
.bk-step {
  display: none;
}
.bk-step.is-active {
  display: block;
  animation: bk-fade-in var(--transition-base);
}

@keyframes bk-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.bk-back-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  padding: var(--space-sm) 0;
  margin-bottom: var(--space-md);
  transition: color var(--transition-fast);
}
.bk-back-btn:hover {
  color: var(--color-primary);
}

.bk-step-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: var(--space-2xl);
}
@media (max-width: 768px) {
  /* On mobile the sticky CTA replaces inline next buttons */
  .bk-step-actions {
    display: none;
  }
}

/* ── Treatment cards ─────────────────────────────────────── */
.bk-treatments {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  align-items: start;
}
@media (max-width: 768px) {
  .bk-treatments {
    grid-template-columns: 1fr;
  }
}

.bk-treatment-card {
  position: relative;
  text-align: left;
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition-base), border-color var(--transition-base),
              transform var(--transition-fast);
}
.bk-treatment-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.bk-treatment-card.is-selected {
  border: 2px solid var(--color-primary);
  transform: none;
  box-shadow: var(--shadow-md);
}

/* Clickable header inside the card */
.bk-treatment-card__header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  width: 100%;
  padding: var(--space-lg);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font: inherit;
  color: inherit;
  transition: background var(--transition-fast);
}
.bk-treatment-card__header:hover {
  background: var(--color-primary-light);
}
.bk-treatment-card__header:focus-visible {
  outline: 3px solid var(--color-primary-light);
  outline-offset: -3px;
}
.bk-treatment-card.is-selected .bk-treatment-card__header {
  background: var(--color-primary-light);
}

/* Text content inside header */
.bk-treatment-card__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  flex: 1;
}

/* Session options panel — revealed after selection */
.bk-treatment-card__options {
  border-top: 1px solid var(--color-primary-light);
  padding: var(--space-md) var(--space-lg) var(--space-lg);
  background: var(--color-background);
}

/* Tier fieldset */
.bk-tier-fieldset {
  border: none;
  padding: 0;
  margin: 0 0 var(--space-sm) 0;
}
.bk-tier-legend {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0;
  float: left;
  width: 100%;
}

/* Individual tier option row */
.bk-tier-option {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition-fast);
  margin-bottom: var(--space-xs);
}
.bk-tier-option:hover { background: var(--color-primary-light); }
.bk-tier-option.is-selected {
  background: var(--color-primary-light);
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
}
.bk-tier-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.bk-tier-option__row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: var(--space-sm);
  align-items: center;
}
.bk-tier-option__label {
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  font-size: var(--text-base);
}
.bk-tier-option.is-selected .bk-tier-option__label { color: var(--color-primary-dark); }
.bk-tier-option__duration {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  white-space: nowrap;
}
.bk-tier-option__price {
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  font-size: var(--text-base);
  white-space: nowrap;
}
.bk-tier-option__note {
  font-size: var(--text-xs);
  font-style: italic;
  color: var(--color-text-muted);
  line-height: var(--leading-snug);
}

.bk-treatment-card__name {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  color: var(--color-text);
}
.bk-treatment-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
}
.bk-treatment-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-xs);
  font-size: var(--text-sm);
  color: var(--color-text);
}
.bk-treatment-card__meta strong {
  font-weight: var(--weight-semibold);
}
.bk-treatment-card__duration {
  color: var(--color-text-muted);
}
.bk-treatment-card__price {
  color: var(--color-primary);
  font-weight: var(--weight-semibold);
}

/* ── Tier pricing rows (replaces single meta) ────────────── */
.bk-treatment-card__tiers {
  display: flex;
  flex-direction: column;
  gap: 0;
  width: 100%;
  margin-top: var(--space-sm);
}

.bk-treatment-card__tier {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: var(--space-sm);
  align-items: baseline;
  font-size: var(--text-sm);
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--color-border);
}

.bk-treatment-card__tier:last-of-type {
  border-bottom: none;
}

.bk-treatment-card__tier-label {
  font-weight: var(--weight-medium);
  color: var(--color-text);
}

.bk-treatment-card__tier-duration {
  color: var(--color-text-muted);
  white-space: nowrap;
}

.bk-treatment-card__tier-price {
  font-weight: var(--weight-semibold);
  color: var(--color-primary);
  white-space: nowrap;
}

.bk-treatment-card__tier-note {
  grid-column: 1 / -1;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-style: italic;
}

/* ── Add-ons upsell — selector tiles ────────────────────── */
.bk-addons {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

/* Section header with trailing rule */
.bk-addons__label {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: 10px;
  font-weight: var(--weight-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--space-md);
}

/* Selector tile */
.bk-addon-option {
  display: flex;
  align-items: center;
  position: relative;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  cursor: pointer;
  margin-bottom: 6px;
  overflow: hidden;
  user-select: none;
  transition: border-color 0.2s ease, background 0.2s ease,
              box-shadow 0.2s ease;
}
.bk-addon-option:last-child { margin-bottom: 0; }

/* Left accent stripe — flex sibling via ::before */
.bk-addon-option::before {
  content: '';
  flex: 0 0 3px;
  align-self: stretch;
  background: transparent;
  transition: background 0.2s ease;
}
.bk-addon-option:hover {
  border-color: var(--color-primary);
  box-shadow: 0 1px 8px rgba(44, 110, 94, 0.07);
}
.bk-addon-option:hover::before {
  background: var(--color-primary-light);
}
.bk-addon-option:has(input:checked) {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}
.bk-addon-option:has(input:checked)::before {
  background: var(--color-primary);
}

/* Hidden real checkbox */
.bk-addon-option input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.bk-addon-option__row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex: 1;
  padding: 11px var(--space-sm) 11px var(--space-md);
}

.bk-addon-option__name {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text);
  flex: 1;
  transition: color 0.2s ease, font-weight 0s;
}
.bk-addon-option:has(input:checked) .bk-addon-option__name {
  color: var(--color-primary);
  font-weight: var(--weight-semibold);
}

.bk-addon-option__badge {
  font-size: 10px;
  font-weight: var(--weight-semibold);
  color: var(--color-accent);
  background: var(--color-accent-light);
  border-radius: 20px;
  padding: 2px 7px;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.bk-addon-option__price {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text-muted);
  white-space: nowrap;
  transition: color 0.2s ease;
}
.bk-addon-option:has(input:checked) .bk-addon-option__price {
  color: var(--color-primary);
}

/* Right indicator ring — fills with checkmark on selection */
.bk-addon-option::after {
  content: '';
  flex: 0 0 18px;
  height: 18px;
  border-radius: 50%;
  border: 1.5px solid var(--color-border);
  background-color: transparent;
  background-repeat: no-repeat;
  background-position: center;
  margin: 0 var(--space-md);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}
.bk-addon-option:hover::after {
  border-color: var(--color-primary);
}
.bk-addon-option:has(input:checked)::after {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='8' viewBox='0 0 10 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 4L3.5 6.5L9 1' stroke='white' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

/* ── Insurance info note below treatment grid ────────────── */
.bk-insurance-note {
  margin-top: var(--space-lg);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-align: center;
}

/* Selected checkmark badge top-right */
.bk-treatment-card__check {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: none;
  align-items: center;
  justify-content: center;
}
.bk-treatment-card.is-selected .bk-treatment-card__check {
  display: flex;
}

/* ── Calendar + slots layout ─────────────────────────────── */
.bk-calendar-container {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-2xl);
  align-items: start;
}
@media (max-width: 768px) {
  .bk-calendar-container {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
}

/* ── Calendar ────────────────────────────────────────────── */
.bk-calendar {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
}

.bk-calendar__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}
.bk-calendar__month {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  color: var(--color-text);
}
.bk-calendar__nav {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  transition: background var(--transition-fast), border-color var(--transition-fast);
}
.bk-calendar__nav:hover:not(:disabled) {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
}
.bk-calendar__nav:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.bk-calendar__grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--space-xs);
}
.bk-calendar__dayname {
  text-align: center;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding-bottom: var(--space-xs);
}

.bk-day {
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  color: var(--color-text);
  border-radius: 50%;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.bk-day:hover:not(.bk-day--past):not(.bk-day--unavailable):not(.bk-day--empty) {
  background: var(--color-primary-light);
}
.bk-day--empty {
  cursor: default;
}
.bk-day--today {
  font-weight: var(--weight-bold);
}
.bk-day--past,
.bk-day--unavailable {
  opacity: 0.35;
  pointer-events: none;
  cursor: default;
}
.bk-day--selected {
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
}
.bk-day--selected:hover {
  background: var(--color-primary);
}

/* ── Time slots ──────────────────────────────────────────── */
.bk-slots-container {
  min-height: 120px;
}
.bk-slots-heading {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-md);
}
.bk-slots {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.bk-slot {
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  cursor: pointer;
  min-width: 120px;
  text-align: center;
  transition: background var(--transition-fast), color var(--transition-fast),
              border-color var(--transition-fast);
}
.bk-slot:hover:not(.is-selected) {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}
.bk-slot:focus-visible {
  outline: 3px solid var(--color-primary-light);
  outline-offset: 1px;
}
.bk-slot.is-selected {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* Skeleton loading pills */
.bk-slot--skeleton {
  min-width: 120px;
  height: 38px;
  border-radius: var(--radius-xl);
  border: none;
  background: var(--color-border);
  cursor: default;
  pointer-events: none;
  animation: bk-pulse 1.2s ease-in-out infinite;
}
@keyframes bk-pulse {
  0%, 100% { opacity: 0.4; }
  50%      { opacity: 0.9; }
}

.bk-slots-empty,
.bk-slots-error {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
}
.bk-slots-error {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-sm);
}
.bk-slots-retry {
  color: var(--color-primary);
  font-weight: var(--weight-semibold);
  text-decoration: underline;
}
.bk-slots-placeholder {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

/* ── Step 3 layout ───────────────────────────────────────── */
.bk-step3-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 1fr);
  gap: var(--space-2xl);
  align-items: start;
}
@media (max-width: 900px) {
  .bk-step3-layout {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
}

/* ── Form ────────────────────────────────────────────────── */
.bk-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}
.bk-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}
@media (max-width: 520px) {
  .bk-form__row {
    grid-template-columns: 1fr;
  }
}

.bk-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}
.bk-field__label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.bk-field__optional {
  font-weight: var(--weight-normal);
  color: var(--color-text-muted);
}
.bk-field__input,
.bk-field__textarea {
  width: 100%;
  min-height: 48px;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--text-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.bk-field__textarea {
  resize: vertical;
  min-height: 120px;
  line-height: var(--leading-normal);
}
.bk-field__input:focus,
.bk-field__textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}
.bk-field__input::placeholder,
.bk-field__textarea::placeholder {
  color: var(--color-text-muted);
}

.bk-field__error {
  display: none;
  color: #DC2626;
  font-size: var(--text-sm);
}
.bk-field.has-error .bk-field__input,
.bk-field.has-error .bk-field__textarea {
  border-color: #DC2626;
}
.bk-field.has-error .bk-field__input:focus,
.bk-field.has-error .bk-field__textarea:focus {
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}
.bk-field.has-error .bk-field__error {
  display: block;
}

.bk-field__counter {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: right;
}

/* GDPR checkbox */
.bk-field--checkbox {
  flex-direction: row;
  align-items: flex-start;
  gap: var(--space-sm);
}
.bk-field--checkbox input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  accent-color: var(--color-primary);
  flex: 0 0 auto;
  cursor: pointer;
}
.bk-field--checkbox .bk-field__label {
  font-weight: var(--weight-normal);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
  text-transform: none;
  letter-spacing: normal;
}
.bk-field--checkbox .bk-field__label a {
  color: var(--color-primary);
  text-decoration: underline;
}
.bk-field--checkbox.has-error .bk-field__error {
  display: block;
}

.bk-form__submit-error {
  display: none;
  color: #DC2626;
  font-size: var(--text-sm);
  background: rgba(220, 38, 38, 0.06);
  border: 1px solid rgba(220, 38, 38, 0.25);
  border-radius: var(--radius);
  padding: var(--space-sm) var(--space-md);
}
.bk-form__submit-error.is-visible {
  display: block;
}

.bk-form__submit-row {
  margin-top: var(--space-sm);
}
@media (max-width: 768px) {
  /* Hide inline submit on mobile — handled by sticky CTA */
  .bk-form__submit-row {
    display: none;
  }
}

/* ── Booking summary sidebar ─────────────────────────────── */
.bk-summary {
  position: sticky;
  top: 100px;
  background: var(--color-accent-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}
@media (max-width: 900px) {
  /* On smaller screens the desktop sidebar is hidden, mobile banner shows */
  .bk-summary {
    display: none;
  }
}
.bk-summary__title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  color: var(--color-text);
  margin-bottom: var(--space-md);
}
.bk-summary__row {
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
  font-size: var(--text-sm);
  border-bottom: 1px solid var(--color-border);
}
.bk-summary__row:last-of-type {
  border-bottom: none;
}
.bk-summary__label {
  color: var(--color-text-muted);
}
.bk-summary__value {
  color: var(--color-text);
  font-weight: var(--weight-semibold);
  text-align: right;
}
.bk-summary__row--addon {
  background: var(--color-primary-light);
  padding-left: var(--space-sm);
  padding-right: var(--space-sm);
  border-radius: var(--radius);
  border-bottom: none;
  margin-bottom: var(--space-xs);
}
.bk-summary__value--addon {
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 4px;
}
.bk-summary__value--addon svg {
  flex-shrink: 0;
  color: var(--color-primary);
}
.bk-summary__price-breakdown {
  border-top: 1px dashed var(--color-border);
  margin-top: var(--space-xs);
  padding-top: var(--space-xs);
}
.bk-summary__price-breakdown .bk-summary__row {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  padding: 2px 0;
  border-bottom: none;
}
.bk-summary__total {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 2px solid var(--color-accent);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
}
.bk-summary__total .bk-summary__value {
  color: var(--color-primary);
}

/* Mobile compact summary banner (top of step 3) */
.bk-summary-mobile {
  display: none;
}
@media (max-width: 900px) {
  .bk-summary-mobile {
    display: block;
    background: var(--color-primary-light);
    border-radius: var(--radius);
    padding: var(--space-md);
    margin-bottom: var(--space-lg);
    font-size: var(--text-sm);
  }
  .bk-summary-mobile__treatment {
    font-weight: var(--weight-semibold);
    color: var(--color-primary);
  }
  .bk-summary-mobile__when {
    color: var(--color-text-muted);
    margin-top: var(--space-xs);
  }
}

/* ── Error banner ────────────────────────────────────────── */
.bk-error-banner {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  background: #FEF3C7;
  border-left: 4px solid #F59E0B;
  border-radius: var(--radius);
  padding: var(--space-md);
  margin-bottom: var(--space-xl);
  color: #92400E;
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
}
.bk-error-banner[hidden] {
  display: none;
}
.bk-error-banner__icon {
  flex: 0 0 auto;
  color: #F59E0B;
}

/* ── Confirmation screen ─────────────────────────────────── */
.bk-confirmation {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-md);
}
.bk-confirmation[hidden] {
  display: none;
}

.bk-confirmation__check {
  width: 88px;
  height: 88px;
  margin: 0 auto var(--space-xl);
}
.bk-confirmation__check circle {
  stroke: var(--color-primary);
  stroke-width: 3;
  fill: none;
  stroke-dasharray: 276;
  stroke-dashoffset: 276;
}
.bk-confirmation__check path {
  stroke: var(--color-primary);
  stroke-width: 4;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 60;
  stroke-dashoffset: 60;
}
.bk-confirmation.is-animated .bk-confirmation__check circle {
  animation: bk-draw-circle 0.6s ease forwards;
}
.bk-confirmation.is-animated .bk-confirmation__check path {
  animation: bk-draw-check 0.4s ease 0.5s forwards;
}
@keyframes bk-draw-circle {
  to { stroke-dashoffset: 0; }
}
@keyframes bk-draw-check {
  to { stroke-dashoffset: 0; }
}

.bk-confirmation__title {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}
.bk-confirmation__lead {
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-xl);
}

.bk-confirmation__card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: left;
  margin-bottom: var(--space-xl);
  box-shadow: var(--shadow-sm);
}
.bk-confirmation__row {
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
  font-size: var(--text-sm);
  border-bottom: 1px solid var(--color-border);
}
.bk-confirmation__row:last-child {
  border-bottom: none;
}
.bk-confirmation__row dt {
  color: var(--color-text-muted);
}
.bk-confirmation__row dd {
  color: var(--color-text);
  font-weight: var(--weight-semibold);
  text-align: right;
}
.bk-confirmation__row--addon {
  background: var(--color-primary-light);
  padding-left: var(--space-sm);
  padding-right: var(--space-sm);
  border-radius: var(--radius);
  border-bottom: none;
}
.bk-confirmation__addon-value {
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 4px;
  justify-content: flex-end;
}
.bk-confirmation__addon-value svg {
  flex-shrink: 0;
}

.bk-confirmation__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
}
.bk-confirmation__note {
  margin-top: var(--space-xl);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ── Sticky bottom CTA (mobile only) ─────────────────────── */
.bk-sticky-cta {
  display: none;
}
@media (max-width: 768px) {
  .bk-sticky-cta {
    display: block;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 90;
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: var(--space-sm) var(--space-md);
    box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.08);
  }
  .bk-sticky-cta[hidden] {
    display: none;
  }
  body.bk-has-sticky-cta {
    padding-bottom: 72px;
  }
}

/* ── Phone field compound component ─────────────────────── */
.bk-phone-field {
  position: relative;
  display: flex;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  overflow: visible;
  background: var(--color-surface);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.bk-phone-field:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}
.bk-field.has-error .bk-phone-field {
  border-color: #DC2626;
}
.bk-field.has-error .bk-phone-field:focus-within {
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}

.bk-phone-field__selector {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-primary-light);
  border-right: 1px solid var(--color-border);
  border-radius: var(--radius) 0 0 var(--radius);
  flex-shrink: 0;
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-weight: var(--weight-semibold);
  transition: background var(--transition-fast);
}
.bk-phone-field__selector:hover { background: #d4eae5; }
.bk-phone-field__flag { font-size: 1.1em; line-height: 1; }
.bk-phone-field__dialcode { min-width: 32px; }
.bk-phone-field__chevron { font-size: 10px; opacity: 0.7; }

.bk-phone-field__input {
  flex: 1;
  min-width: 0;
  border: none;
  outline: none;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-base);
  color: var(--color-text);
  background: transparent;
  border-radius: 0 var(--radius) var(--radius) 0;
  min-height: 48px;
}
.bk-phone-field__input::placeholder {
  color: var(--color-text-muted);
}

.bk-phone-field__dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 240px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  z-index: 100;
  max-height: 240px;
  overflow-y: auto;
  list-style: none;
  padding: 0;
  margin: 0;
}
.bk-phone-field__dropdown[hidden] { display: none; }

.bk-phone-field__option {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  font-size: var(--text-sm);
  transition: background var(--transition-fast);
  border-bottom: 1px solid var(--color-border);
}
.bk-phone-field__option:last-child { border-bottom: none; }
.bk-phone-field__option:hover,
.bk-phone-field__option.is-selected { background: var(--color-primary-light); }
.bk-phone-field__option-name { flex: 1; color: var(--color-text); }
.bk-phone-field__option-code { color: var(--color-text-muted); font-size: var(--text-xs); }

/* ── Payment notice pill ─────────────────────────────────── */
.bk-payment-notice {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--color-primary-light);
  border-radius: var(--radius);
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-sm);
  color: var(--color-primary-dark);
  font-weight: var(--weight-medium);
  line-height: var(--leading-snug);
}
.bk-payment-notice svg { flex-shrink: 0; color: var(--color-primary); }