/* ================================
   Collection Booking Page (/collections/{slug}/book)
   Phase 9 — 2-step booking flow
   ================================ */

/* --- Accessibility Utility --- */
.collection-book-page .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* --- Page Container --- */
.collection-book-page {
    padding-top: var(--sp-l);
    padding-bottom: var(--sp-xxl);
    min-height: 60vh;
}

/* --- Breadcrumb --- */
.collection-book-breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--sp-xs);
    font-size: var(--p-sm-size);
    color: var(--gray);
    margin-bottom: var(--sp-m);
    flex-wrap: wrap;
}

.collection-book-breadcrumb a {
    color: var(--main);
    text-decoration: none;
    transition: color 0.2s ease;
}

.collection-book-breadcrumb a:hover {
    color: var(--dark-blue);
}

.collection-book-breadcrumb__sep {
    color: var(--gray);
    opacity: 0.5;
}

.collection-book-breadcrumb__current {
    color: var(--dark-blue);
    font-weight: var(--font-weight-bold);
}

/* --- Page Header --- */
.collection-book-header {
    margin-bottom: var(--sp-l);
}

.collection-book-header__title {
    font-size: var(--h4-size);
    font-weight: var(--font-weight-bold);
    color: var(--dark-blue);
    margin: 0;
}

/* --- Step Progress Indicator (2 steps) --- */
.collection-book-progress {
    margin-bottom: var(--sp-xl);
}

.collection-book-progress__steps {
    display: flex;
    justify-content: center;
    gap: var(--sp-xl);
    list-style: none;
    padding: 0;
    margin: 0 0 var(--sp-sm) 0;
}

.collection-book-progress__step {
    display: flex;
    align-items: center;
    gap: var(--sp-xs);
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

.collection-book-progress__step.is-active,
.collection-book-progress__step.is-completed {
    opacity: 1;
}

.collection-book-progress__number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-circle);
    background: var(--light-grey);
    color: var(--gray);
    font-size: 14px;
    font-weight: var(--font-weight-bold);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.collection-book-progress__step.is-active .collection-book-progress__number {
    background: var(--main);
    color: var(--white);
}

.collection-book-progress__step.is-completed .collection-book-progress__number {
    background: var(--main);
    color: var(--white);
}

.collection-book-progress__label {
    font-size: 14px;
    color: var(--gray);
    font-weight: var(--font-weight-regular);
    transition: color 0.3s ease, font-weight 0.3s ease;
}

.collection-book-progress__step.is-active .collection-book-progress__label {
    color: var(--dark-blue);
    font-weight: var(--font-weight-bold);
}

.collection-book-progress__step.is-completed .collection-book-progress__label {
    color: var(--main);
}

/* Progress Bar */
.collection-book-progress__bar {
    height: 4px;
    background: var(--light-grey);
    border-radius: 2px;
    max-width: 300px;
    margin: 0 auto;
}

.collection-book-progress__bar-fill {
    height: 100%;
    background: var(--main);
    border-radius: 2px;
    transition: width 0.4s ease;
}

/* --- Two-Column Layout --- */
.collection-book-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: var(--sp-l);
    align-items: start;
}

/* --- Main Form Area --- */
.collection-book-main {
    min-width: 0;
}

.collection-book-form fieldset {
    border: none;
    padding: 0;
    margin: 0;
}

.collection-book-step {
    transition: opacity 0.2s ease;
}

.collection-book-step.is-hidden {
    display: none;
}

.collection-book-step__legend {
    /* sr-only handled by class */
}

/* Section titles inside steps */
.collection-book-section__title {
    font-size: var(--h6-size);
    font-weight: var(--font-weight-bold);
    color: var(--dark-blue);
    margin: 0 0 var(--sp-m);
    display: flex;
    align-items: center;
    gap: var(--sp-xs);
}

.collection-book-section__title svg {
    width: 20px;
    height: 20px;
    color: var(--main);
    flex-shrink: 0;
}

/* ================================
   STEP 1 — Monthly Calendar
   ================================ */

.collection-book-calendar {
    margin-bottom: var(--sp-l);
    background: var(--white);
    border: 1px solid var(--light-grey);
    border-radius: var(--radius);
    padding: var(--sp-ml);
}

.collection-book-calendar__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--sp-m);
}

.collection-book-calendar__month-title {
    font-size: var(--h6-size);
    font-weight: var(--font-weight-bold);
    color: var(--dark-blue);
    margin: 0;
}

.collection-book-calendar__nav {
    display: flex;
    gap: var(--sp-xs);
}

.collection-book-calendar__nav-btn {
    background: none;
    border: 1px solid var(--light-grey);
    border-radius: var(--radius-circle);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--dark-blue);
    transition: all 0.2s ease;
}

.collection-book-calendar__nav-btn:hover {
    background: var(--light-grey);
    border-color: var(--gray);
}

.collection-book-calendar__nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.collection-book-calendar__nav-btn svg {
    width: 18px;
    height: 18px;
}

.collection-book-calendar__weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    margin-bottom: var(--sp-xs);
}

.collection-book-calendar__weekday {
    font-size: var(--p-sm-size);
    color: var(--gray);
    font-weight: var(--font-weight-bold);
    padding: var(--sp-xs) 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.collection-book-calendar__grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.collection-book-calendar__day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 2px solid transparent;
    background: none;
    cursor: pointer;
    font-size: var(--p-size);
    font-family: inherit;
    color: var(--dark-blue);
    transition: all 0.2s ease;
    position: relative;
}

.collection-book-calendar__day:focus-visible {
    outline: 3px solid var(--accent-1);
    outline-offset: 2px;
}

/* Available */
.collection-book-calendar__day--available:hover {
    background: var(--light-blue);
}

/* Selected */
.collection-book-calendar__day--selected {
    background: var(--main);
    color: var(--white);
    font-weight: var(--font-weight-bold);
}

.collection-book-calendar__day--selected:hover {
    background: var(--main);
}

/* Unavailable */
.collection-book-calendar__day--unavailable {
    color: var(--gray);
    opacity: 0.4;
    cursor: not-allowed;
}

/* Closed */
.collection-book-calendar__day--closed {
    color: var(--gray);
    opacity: 0.3;
    text-decoration: line-through;
    cursor: not-allowed;
}

/* Today */
.collection-book-calendar__day--today {
    border-color: var(--main);
}

/* Other month days (padding) */
.collection-book-calendar__day--other-month {
    opacity: 0.2;
    cursor: default;
    pointer-events: none;
}

/* Empty cell (no day) */
.collection-book-calendar__day--empty {
    cursor: default;
    pointer-events: none;
}

/* Calendar loading state */
.collection-book-calendar__loading {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 240px;
    color: var(--gray);
    font-size: var(--p-size);
}

.collection-book-calendar__loading .spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--light-grey);
    border-top-color: var(--main);
    border-radius: 50%;
    animation: collection-book-spin 0.6s linear infinite;
    margin-right: var(--sp-sm);
}

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

/* Calendar error state */
.collection-book-calendar__error {
    text-align: center;
    padding: var(--sp-xl);
    color: var(--gray);
}

.collection-book-calendar__error-btn {
    margin-top: var(--sp-sm);
}

/* Legend */
.collection-book-calendar__legend {
    display: flex;
    gap: var(--sp-m);
    margin-top: var(--sp-m);
    padding-top: var(--sp-sm);
    border-top: 1px solid var(--light-grey);
    flex-wrap: wrap;
}

.collection-book-calendar__legend-item {
    display: flex;
    align-items: center;
    gap: var(--sp-xs);
    font-size: var(--p-sm-size);
    color: var(--gray);
}

.collection-book-calendar__legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.collection-book-calendar__legend-dot--available {
    background: var(--main);
}

.collection-book-calendar__legend-dot--unavailable {
    background: var(--gray);
    opacity: 0.4;
}

.collection-book-calendar__legend-dot--closed {
    background: var(--gray);
    opacity: 0.3;
}

/* ================================
   STEP 1 — Start Time Display
   ================================ */

.collection-book-start-time {
    margin-bottom: var(--sp-l);
    display: flex;
    align-items: center;
    gap: var(--sp-sm);
    padding: var(--sp-m);
    background: var(--light-blue);
    border-radius: var(--radius);
    border: 1px solid rgba(34, 109, 215, 0.15);
}

.collection-book-start-time__icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--main);
}

.collection-book-start-time__icon svg {
    width: 20px;
    height: 20px;
}

.collection-book-start-time__label {
    font-size: var(--p-sm-size);
    color: var(--gray);
}

.collection-book-start-time__value {
    font-size: var(--h6-size);
    font-weight: var(--font-weight-bold);
    color: var(--dark-blue);
}

/* ================================
   STEP 1 — Guest Stepper
   ================================ */

.collection-book-guests {
    margin-bottom: var(--sp-l);
}

.collection-book-guests__selector {
    display: flex;
    align-items: center;
    gap: 0;
    max-width: 160px;
}

.collection-book-guests__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--white);
    border: 2px solid var(--light-grey);
    cursor: pointer;
    color: var(--dark-blue);
    transition: all 0.2s ease;
}

.collection-book-guests__btn:first-child {
    border-radius: var(--radius) 0 0 var(--radius);
}

.collection-book-guests__btn:last-child {
    border-radius: 0 var(--radius) var(--radius) 0;
}

.collection-book-guests__btn:hover:not(:disabled) {
    border-color: var(--main);
    background: var(--light-blue);
}

.collection-book-guests__btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.collection-book-guests__btn svg {
    width: 20px;
    height: 20px;
}

.collection-book-guests__input {
    width: 56px;
    height: 44px;
    text-align: center;
    border: 2px solid var(--light-grey);
    border-left: none;
    border-right: none;
    font-size: var(--p-size);
    font-weight: var(--font-weight-bold);
    color: var(--dark-blue);
    font-family: inherit;
    background: var(--white);
    -moz-appearance: textfield;
}

.collection-book-guests__input::-webkit-inner-spin-button,
.collection-book-guests__input::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* ================================
   STEP 1 — Merchandise Size Selectors
   ================================ */

.collection-book-merch {
    margin-bottom: var(--sp-l);
}

.collection-book-merch__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--sp-m);
}

.collection-book-merch__item {
    display: flex;
    flex-direction: column;
    gap: var(--sp-xs);
}

.collection-book-merch__label {
    font-size: var(--p-sm-size);
    font-weight: var(--font-weight-bold);
    color: var(--dark-blue);
}

.collection-book-merch__select {
    width: 100%;
    padding: 10px 14px;
    font-family: inherit;
    font-size: var(--p-size);
    color: var(--dark-blue);
    background: var(--white);
    border: 2px solid var(--light-grey);
    border-radius: var(--radius);
    transition: border-color 0.2s ease;
    cursor: pointer;
}

.collection-book-merch__select:focus {
    outline: none;
    border-color: var(--main);
    box-shadow: 0 0 0 3px rgba(34, 109, 215, 0.1);
}

/* ================================
   STEP 1 — Schedule Preview
   ================================ */

.collection-book-schedule {
    margin-bottom: var(--sp-l);
    background: var(--light-grey);
    border-radius: var(--radius);
    padding: var(--sp-m);
}

.collection-book-schedule__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.collection-book-schedule__item {
    display: flex;
    align-items: center;
    gap: var(--sp-sm);
    padding: var(--sp-xs) 0;
}

.collection-book-schedule__item + .collection-book-schedule__item {
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.collection-book-schedule__item-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.collection-book-schedule__item-icon svg {
    width: 14px;
    height: 14px;
}

.collection-book-schedule__item-icon--simulator {
    background: var(--light-blue);
    color: var(--main);
}

.collection-book-schedule__item-icon--seminar {
    background: rgba(242, 175, 17, 0.15);
    color: var(--accent-1-text);
}

.collection-book-schedule__item-icon--merchandise {
    background: rgba(40, 167, 69, 0.12);
    color: #28a745;
}

.collection-book-schedule__item-name {
    flex: 1;
    font-size: var(--p-sm-size);
    font-weight: var(--font-weight-bold);
    color: var(--dark-blue);
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.collection-book-schedule__item-time {
    font-size: var(--p-sm-size);
    color: var(--main);
    white-space: nowrap;
}

.collection-book-schedule__item-duration {
    font-size: var(--p-sm-size);
    color: var(--gray);
    white-space: nowrap;
}

.collection-book-schedule__gap {
    display: flex;
    align-items: center;
    gap: var(--sp-xs);
    padding: 4px 0;
    font-size: 11px;
    color: var(--gray);
    font-style: italic;
}

.collection-book-schedule__gap svg {
    width: 12px;
    height: 12px;
}

/* ================================
   STEP 1 — Special Requests
   ================================ */

.collection-book-notes {
    margin-bottom: var(--sp-l);
}

.collection-book-notes__textarea {
    width: 100%;
    min-height: 80px;
    padding: 12px 16px;
    font-family: inherit;
    font-size: var(--p-size);
    color: var(--black);
    background: var(--white);
    border: 2px solid var(--light-grey);
    border-radius: var(--radius);
    resize: vertical;
    transition: border-color 0.2s ease;
}

.collection-book-notes__textarea:focus {
    outline: none;
    border-color: var(--main);
    box-shadow: 0 0 0 3px rgba(34, 109, 215, 0.1);
}

.collection-book-notes__counter {
    font-size: var(--p-sm-size);
    color: var(--gray);
    text-align: right;
    margin-top: var(--sp-xs);
}

/* ================================
   Step Actions
   ================================ */

.collection-book-step__actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--sp-m);
    margin-top: var(--sp-l);
    padding-top: var(--sp-l);
    border-top: 1px solid var(--light-grey);
}

.collection-book-step__actions--end {
    justify-content: flex-end;
}

/* ================================
   STEP 2 — Auth / Phone Gate
   ================================ */

.collection-book-confirm__gate {
    text-align: center;
    padding: var(--sp-xxl) var(--sp-l);
}

.collection-book-confirm__gate-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--sp-ml);
    color: var(--gray);
}

.collection-book-confirm__gate-icon svg {
    width: 64px;
    height: 64px;
}

.collection-book-confirm__gate-title {
    font-size: var(--h5-size);
    font-weight: var(--font-weight-bold);
    color: var(--dark-blue);
    margin: 0 0 var(--sp-sm);
}

.collection-book-confirm__gate-message {
    font-size: var(--p-size);
    color: var(--gray);
    line-height: var(--lh-normal);
    max-width: 400px;
    margin: 0 auto var(--sp-l);
}

.collection-book-confirm__gate-actions {
    display: flex;
    gap: var(--sp-m);
    justify-content: center;
    flex-wrap: wrap;
}

.collection-book-confirm__gate-helper {
    font-size: var(--p-sm-size);
    color: var(--gray);
    margin: var(--sp-m) 0 0;
}

/* ================================
   STEP 2 — Confirm UI
   ================================ */

.collection-book-confirm__title {
    font-size: var(--h5-size);
    font-weight: var(--font-weight-bold);
    color: var(--dark-blue);
    margin: 0 0 var(--sp-l);
}

/* Summary */
.collection-book-confirm__summary {
    margin-bottom: var(--sp-l);
}

.collection-book-confirm__section-heading {
    font-size: var(--h6-size);
    font-weight: var(--font-weight-bold);
    color: var(--dark-blue);
    margin: 0 0 var(--sp-sm);
}

.collection-book-confirm__details {
    margin: 0;
    padding: 0;
}

.collection-book-confirm__detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--sp-sm) 0;
    border-bottom: 1px solid var(--light-grey);
    font-size: var(--p-size);
}

.collection-book-confirm__detail-row:last-child {
    border-bottom: none;
}

.collection-book-confirm__detail-row dt {
    color: var(--gray);
}

.collection-book-confirm__detail-row dd {
    margin: 0;
    font-weight: var(--font-weight-bold);
    color: var(--dark-blue);
    text-align: right;
}

/* Pricing Breakdown */
.collection-book-confirm__pricing {
    margin-bottom: var(--sp-l);
}

.collection-book-confirm__pricing-list {
    margin: 0;
    padding: 0;
}

.collection-book-confirm__pricing-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--sp-xs) 0;
    font-size: var(--p-size);
}

.collection-book-confirm__pricing-row dt {
    color: var(--gray);
}

.collection-book-confirm__pricing-row dd {
    margin: 0;
    font-weight: var(--font-weight-bold);
    color: var(--dark-blue);
}

.collection-book-confirm__pricing-row--discount dd {
    color: #28a745;
}

.collection-book-confirm__pricing-row--subtotal dt {
    font-weight: var(--font-weight-bold);
    color: var(--dark-blue);
}

.collection-book-confirm__pricing-row--total {
    border-top: 2px solid var(--light-grey);
    margin-top: var(--sp-sm);
    padding-top: var(--sp-m);
}

.collection-book-confirm__pricing-row--total dt {
    font-weight: var(--font-weight-bold);
    color: var(--dark-blue);
}

.collection-book-confirm__pricing-row--total dd {
    font-size: var(--h6-size);
    color: var(--main);
}

.collection-book-confirm__vat-note {
    font-size: var(--p-sm-size);
    color: var(--gray);
    text-align: right;
    margin: var(--sp-xs) 0 0;
}

/* ================================
   STEP 2 — Payment Options
   ================================ */

.collection-book-confirm__payment {
    margin-bottom: var(--sp-l);
}

.collection-book-confirm__payment-title {
    display: flex;
    align-items: center;
    gap: var(--sp-xs);
    font-size: var(--h6-size);
    font-weight: var(--font-weight-bold);
    color: var(--dark-blue);
    margin: 0 0 var(--sp-xs);
}

.collection-book-confirm__payment-title svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.collection-book-confirm__payment-subtitle {
    font-size: var(--p-sm-size);
    color: var(--gray);
    margin: 0 0 var(--sp-m);
}

.collection-book-confirm__payment-options {
    display: flex;
    flex-direction: column;
    gap: var(--sp-sm);
}

.collection-book-confirm__payment-option {
    cursor: pointer;
}

.collection-book-confirm__payment-radio {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.collection-book-confirm__payment-card {
    border: 2px solid var(--light-grey);
    border-radius: var(--radius);
    padding: var(--sp-m);
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.collection-book-confirm__payment-radio:checked + .collection-book-confirm__payment-card {
    border-color: var(--main);
    background: var(--light-blue);
}

.collection-book-confirm__payment-radio:focus-visible + .collection-book-confirm__payment-card {
    outline: 3px solid var(--accent-1);
    outline-offset: 2px;
}

.collection-book-confirm__payment-card-header {
    display: flex;
    align-items: center;
    gap: var(--sp-sm);
}

.collection-book-confirm__payment-card-check {
    flex-shrink: 0;
    color: var(--gray);
}

.collection-book-confirm__payment-radio:checked ~ .collection-book-confirm__payment-card .collection-book-confirm__payment-card-check {
    color: var(--main);
}

.collection-book-confirm__payment-card-dot {
    opacity: 0;
    transition: opacity 0.2s ease;
}

.collection-book-confirm__payment-radio:checked + .collection-book-confirm__payment-card .collection-book-confirm__payment-card-dot {
    opacity: 1;
}

.collection-book-confirm__payment-card-info {
    display: flex;
    align-items: center;
    gap: var(--sp-xs);
    flex: 1;
}

.collection-book-confirm__payment-card-title {
    font-weight: var(--font-weight-bold);
    color: var(--dark-blue);
}

.collection-book-confirm__payment-card-badge {
    font-size: 11px;
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 2px 8px;
    border-radius: 10px;
}

.collection-book-confirm__payment-card-badge--recommended {
    background: rgba(40, 167, 69, 0.12);
    color: #28a745;
}

.collection-book-confirm__payment-amount {
    font-size: var(--h6-size);
    font-weight: var(--font-weight-bold);
    color: var(--main);
    margin-left: auto;
}

.collection-book-confirm__payment-card-desc {
    font-size: var(--p-sm-size);
    color: var(--gray);
    margin: var(--sp-xs) 0 0;
    padding-left: 28px;
}

.collection-book-confirm__payment-remaining {
    display: flex;
    align-items: center;
    gap: var(--sp-xs);
    font-size: var(--p-sm-size);
    color: var(--gray);
    margin: var(--sp-xs) 0 0;
    padding-left: 28px;
}

.collection-book-confirm__payment-remaining strong {
    color: var(--dark-blue);
}

/* ================================
   STEP 2 — Secure Notice + Terms
   ================================ */

.collection-book-confirm__secure {
    display: flex;
    align-items: center;
    gap: var(--sp-xs);
    font-size: var(--p-sm-size);
    color: var(--gray);
    margin-bottom: var(--sp-m);
    padding: var(--sp-sm) var(--sp-m);
    background: var(--light-grey);
    border-radius: var(--radius);
}

.collection-book-confirm__secure svg {
    width: 16px;
    height: 16px;
    color: #28a745;
    flex-shrink: 0;
}

.collection-book-confirm__terms {
    margin-bottom: var(--sp-l);
}

.collection-book-confirm__terms-label {
    display: flex;
    align-items: flex-start;
    gap: var(--sp-sm);
    font-size: var(--p-size);
    color: var(--dark-blue);
    cursor: pointer;
}

.collection-book-confirm__terms-checkbox {
    margin-top: 3px;
    accent-color: var(--main);
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* ================================
   SIDEBAR
   ================================ */

.collection-book-sidebar__sticky {
    position: sticky;
    top: calc(64px + var(--sp-m));
}

body.has-offer-bar .collection-book-sidebar__sticky {
    top: calc(96px + var(--sp-m));
}

.collection-book-summary {
    background: var(--white);
    border: 1px solid var(--light-grey);
    border-radius: var(--radius);
    padding: var(--sp-ml);
}

.collection-book-summary__image {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    border-radius: calc(var(--radius) - 4px);
    margin-bottom: var(--sp-m);
}

.collection-book-summary__name {
    font-size: var(--h6-size);
    font-weight: var(--font-weight-bold);
    color: var(--dark-blue);
    margin: 0 0 var(--sp-m);
}

/* Summary details */
.collection-book-summary__details {
    margin: 0 0 var(--sp-m);
    padding: 0;
}

.collection-book-summary__detail-row {
    display: flex;
    justify-content: space-between;
    padding: var(--sp-xs) 0;
    font-size: var(--p-sm-size);
}

.collection-book-summary__detail-row dt {
    color: var(--gray);
}

.collection-book-summary__detail-row dd {
    margin: 0;
    font-weight: var(--font-weight-bold);
    color: var(--dark-blue);
}

/* Sidebar pricing */
.collection-book-summary__pricing {
    border-top: 1px solid var(--light-grey);
    padding-top: var(--sp-sm);
}

.collection-book-summary__pricing-row {
    display: flex;
    justify-content: space-between;
    padding: var(--sp-xs) 0;
    font-size: var(--p-sm-size);
}

.collection-book-summary__pricing-row dt {
    color: var(--gray);
}

.collection-book-summary__pricing-row dd {
    margin: 0;
    font-weight: var(--font-weight-bold);
    color: var(--dark-blue);
}

.collection-book-summary__pricing-row--discount dd {
    color: #28a745;
}

.collection-book-summary__pricing-row--total {
    border-top: 2px solid var(--light-grey);
    margin-top: var(--sp-xs);
    padding-top: var(--sp-sm);
}

.collection-book-summary__pricing-row--total dt {
    font-weight: var(--font-weight-bold);
    color: var(--dark-blue);
}

.collection-book-summary__pricing-row--total dd {
    font-size: var(--h6-size);
    color: var(--main);
}

.collection-book-summary__vat-note {
    font-size: var(--p-sm-size);
    color: var(--gray);
    text-align: right;
    margin: var(--sp-xs) 0 0;
}

/* ================================
   MOBILE BOTTOM BAR
   ================================ */

.collection-book-mobile-bar {
    display: none;
}

/* ================================
   MOBILE SUMMARY OVERLAY
   ================================ */

.collection-book-mobile-summary {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: none;
    flex-direction: column;
    justify-content: flex-end;
    pointer-events: none;
    visibility: hidden;
}

.collection-book-mobile-summary.is-open {
    pointer-events: auto;
    visibility: visible;
}

.collection-book-mobile-summary__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.collection-book-mobile-summary.is-open .collection-book-mobile-summary__backdrop {
    opacity: 1;
}

.collection-book-mobile-summary__drawer {
    position: relative;
    background: var(--white);
    border-radius: 16px 16px 0 0;
    max-height: 70vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1);
    box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.15);
}

.collection-book-mobile-summary.is-open .collection-book-mobile-summary__drawer {
    transform: translateY(0);
}

.collection-book-mobile-summary__handle {
    display: flex;
    justify-content: center;
    padding: var(--sp-sm) 0 0;
}

.collection-book-mobile-summary__handle span {
    width: 36px;
    height: 4px;
    background: var(--light-grey);
    border-radius: 2px;
}

.collection-book-mobile-summary__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--sp-sm) var(--sp-l);
    border-bottom: 1px solid var(--light-grey);
    position: sticky;
    top: 0;
    background: var(--white);
    z-index: 1;
    border-radius: 16px 16px 0 0;
}

.collection-book-mobile-summary__title {
    font-size: var(--h6-size);
    font-weight: var(--font-weight-bold);
    color: var(--dark-blue);
    margin: 0;
}

.collection-book-mobile-summary__close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--gray);
    padding: var(--sp-xs);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s ease, background-color 0.2s ease;
}

.collection-book-mobile-summary__close:hover {
    color: var(--dark-blue);
    background: var(--light-grey);
}

.collection-book-mobile-summary__close svg {
    width: 20px;
    height: 20px;
}

.collection-book-mobile-summary__body {
    padding: var(--sp-l);
}

/* ================================
   FORM ERROR
   ================================ */

.collection-book-form .form-error {
    display: block;
    color: #e74c3c;
    font-size: var(--p-sm-size);
    margin-top: var(--sp-xs);
}

/* ================================
   SPINNER (inline loading)
   ================================ */

.collection-book-form .spinner {
    display: inline-block;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: currentColor;
    border-radius: 50%;
    animation: collection-book-spin 0.6s linear infinite;
}

/* ================================
   RESPONSIVE
   ================================ */

@media (max-width: 799px) {
    .collection-book-header__title {
        font-size: var(--h5-size);
    }

    .collection-book-progress__steps {
        gap: var(--sp-l);
    }

    .collection-book-layout {
        grid-template-columns: 1fr;
    }

    .collection-book-sidebar {
        display: none;
    }

    .collection-book-mobile-bar {
        display: flex;
        align-items: center;
        gap: var(--sp-sm);
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 100;
        background: var(--white);
        padding: var(--sp-sm) var(--sp-m);
        box-shadow: 0 -2px 16px rgba(0, 0, 0, 0.12);
        border-top: 1px solid var(--light-grey);
    }

    .collection-book-mobile-bar__summary-toggle {
        background: none;
        border: none;
        color: var(--gray);
        padding: var(--sp-xs);
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: var(--radius);
        flex-shrink: 0;
        transition: color 0.2s ease, background-color 0.2s ease;
    }

    .collection-book-mobile-bar__summary-toggle:hover {
        color: var(--main);
        background: var(--light-blue);
    }

    .collection-book-mobile-bar__summary-toggle svg {
        width: 20px;
        height: 20px;
        transition: transform 0.3s ease;
    }

    .collection-book-mobile-bar__info {
        flex: 1;
        display: flex;
        flex-direction: column;
        gap: 2px;
        min-width: 0;
    }

    .collection-book-mobile-bar__label {
        font-size: var(--p-sm-size);
        color: var(--gray);
    }

    .collection-book-mobile-bar__price {
        font-size: var(--h6-size);
        font-weight: var(--font-weight-bold);
        color: var(--dark-blue);
    }

    .collection-book-mobile-bar__cta {
        flex-shrink: 0;
    }

    .collection-book-mobile-summary {
        display: flex;
    }

    .collection-book-page {
        padding-bottom: 80px;
    }

    /* Calendar adjustments */
    .collection-book-calendar {
        padding: var(--sp-m);
    }

    .collection-book-calendar__day {
        font-size: var(--p-sm-size);
    }

    /* Merch grid */
    .collection-book-merch__grid {
        grid-template-columns: 1fr;
    }

    /* Gate padding */
    .collection-book-confirm__gate {
        padding: var(--sp-xl) var(--sp-m);
    }
}

@media (max-width: 460px) {
    .collection-book-progress__steps {
        gap: var(--sp-m);
    }

    .collection-book-progress__label {
        font-size: 12px;
    }

    .collection-book-confirm__gate-actions {
        flex-direction: column;
    }

    .collection-book-confirm__gate-actions .btn {
        width: 100%;
    }
}