/* =====================================================================
   Woulfe's K9 — Pack Walks booking drawer / modal
   Depends on tokens.css. The panel carries data-k9-theme="light".
   ===================================================================== */

.wk9-drawer {
    position: fixed;
    inset: 0;
    z-index: var(--k9-z-drawer);
    display: none;
    font-family: var(--k9-font-body);
}

.wk9-drawer.is-open {
    display: block;
}

.wk9-drawer *,
.wk9-drawer *::before,
.wk9-drawer *::after {
    box-sizing: border-box;
}

.wk9-drawer__overlay {
    position: absolute;
    inset: 0;
    background: var(--k9-scrim);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    opacity: 0;
    transition: opacity var(--k9-duration-slow) var(--k9-ease);
}

.wk9-drawer.is-open .wk9-drawer__overlay {
    opacity: 1;
}

/* Panel — mobile bottom sheet by default ------------------------------ */

.wk9-drawer__panel {
    position: absolute;
    background: var(--k9-surface);
    color: var(--k9-text);
    box-shadow: var(--k9-shadow-4);
    display: flex;
    flex-direction: column;

    left: 0;
    right: 0;
    bottom: 0;
    max-height: 90dvh;
    border-radius: var(--k9-radius-xl) var(--k9-radius-xl) 0 0;
    padding: var(--k9-space-4) var(--k9-space-5) calc(var(--k9-space-5) + var(--k9-safe-b));
    transform: translateY(100%);
    transition: transform var(--k9-duration-slow) var(--k9-ease-spring);
}

.wk9-drawer.is-open .wk9-drawer__panel {
    transform: translateY(0);
}

/* Grab handle */
.wk9-drawer__panel::before {
    content: '';
    display: block;
    width: 44px;
    height: 5px;
    background: var(--k9-line-strong);
    border-radius: var(--k9-radius-pill);
    margin: 0 auto var(--k9-space-3);
}

.wk9-drawer__close {
    position: absolute;
    top: var(--k9-space-3);
    right: var(--k9-space-3);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 0;
    background: var(--k9-surface-card-2);
    color: var(--k9-text-secondary);
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: background var(--k9-duration) var(--k9-ease);
}

.wk9-drawer__close:hover,
.wk9-drawer__close:focus-visible {
    background: var(--k9-surface-hover);
    color: var(--k9-text);
}

/* Header -------------------------------------------------------------- */

.wk9-drawer__header {
    padding-right: var(--k9-space-12);
    margin-bottom: var(--k9-space-4);
}

.wk9-drawer__title {
    font-family: var(--k9-font-display);
    font-size: var(--k9-text-title-lg);
    font-weight: var(--k9-weight-display);
    line-height: var(--k9-leading-title);
    letter-spacing: var(--k9-tracking-display);
    text-transform: uppercase;
    margin: 0 0 var(--k9-space-2);
    color: var(--k9-text);
}

.wk9-drawer__intro {
    font-size: var(--k9-text-body-sm);
    color: var(--k9-text-muted);
    margin: 0;
    line-height: var(--k9-leading-snug);
}

.wk9-drawer__empty {
    padding: var(--k9-space-6) var(--k9-space-2);
    text-align: center;
    color: var(--k9-text-muted);
}

.wk9-drawer__form {
    display: flex;
    flex-direction: column;
    min-height: 0;
}

/* Slot list ----------------------------------------------------------- */

.wk9-drawer__slots {
    list-style: none;
    margin: 0 0 var(--k9-space-4);
    padding: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    display: flex;
    flex-direction: column;
    gap: var(--k9-space-2);
}

.wk9-slot {
    border: var(--k9-border-thick) solid var(--k9-line);
    border-radius: var(--k9-radius-md);
    transition:
        border-color var(--k9-duration) var(--k9-ease),
        background var(--k9-duration) var(--k9-ease);
}

.wk9-slot:hover:not(.is-full) {
    border-color: var(--k9-line-strong);
}

.wk9-slot.is-full {
    opacity: 0.5;
}

.wk9-slot label {
    display: flex;
    align-items: center;
    gap: var(--k9-space-4);
    padding: var(--k9-space-3);
    cursor: pointer;
}

.wk9-slot.is-full label {
    cursor: not-allowed;
}

.wk9-slot input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

/* Selection is signalled by full inversion, not a tint — the strongest
   affordance available in a monochrome palette. */
.wk9-slot:has(input[type="radio"]:checked) {
    border-color: var(--k9-action);
    background: var(--k9-surface-card);
}

.wk9-slot:has(input[type="radio"]:focus-visible) {
    box-shadow: var(--k9-focus-ring);
}

.wk9-slot__date {
    flex: 0 0 auto;
    width: 60px;
    height: 64px;
    background: var(--k9-surface-inset);
    border-radius: var(--k9-radius-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    line-height: 1;
    transition:
        background var(--k9-duration) var(--k9-ease),
        color var(--k9-duration) var(--k9-ease);
}

.wk9-slot:has(input[type="radio"]:checked) .wk9-slot__date {
    background: var(--k9-action);
    color: var(--k9-action-text);
}

.wk9-slot__day,
.wk9-slot__mon {
    font-size: var(--k9-text-micro);
    font-weight: var(--k9-weight-bold);
    text-transform: uppercase;
    letter-spacing: var(--k9-tracking-micro);
    opacity: 0.65;
}

.wk9-slot__num {
    font-family: var(--k9-font-display);
    font-size: 1.5rem;
    font-weight: var(--k9-weight-display);
    font-variant-numeric: tabular-nums;
    margin: 2px 0;
}

.wk9-slot__body {
    display: flex;
    flex-direction: column;
    gap: var(--k9-space-1);
    flex: 1;
    min-width: 0;
}

.wk9-slot__time {
    font-size: var(--k9-text-body);
    font-weight: var(--k9-weight-semibold);
    font-variant-numeric: tabular-nums;
}

.wk9-slot__spots {
    font-size: var(--k9-text-caption);
    color: var(--k9-text-muted);
}

.wk9-slot.is-full .wk9-slot__spots {
    color: var(--k9-danger);
    font-weight: var(--k9-weight-semibold);
}

/* Dog count ----------------------------------------------------------- */

.wk9-drawer__dogs {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--k9-space-4);
    padding: var(--k9-space-4) 0;
    margin: 0 0 var(--k9-space-1);
    border-top: var(--k9-border-width) solid var(--k9-line);
}

.wk9-drawer__dogs[hidden] {
    display: none;
}

.wk9-drawer__dogs-label {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.wk9-drawer__dogs-title {
    font-size: var(--k9-text-body-sm);
    font-weight: var(--k9-weight-semibold);
}

.wk9-drawer__dogs-hint {
    font-size: var(--k9-text-caption);
    color: var(--k9-text-muted);
}

.wk9-stepper {
    display: inline-flex;
    align-items: center;
    gap: 0;
    background: var(--k9-surface-inset);
    border-radius: var(--k9-radius-pill);
    padding: var(--k9-space-1);
    flex-shrink: 0;
}

.wk9-stepper__btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 0;
    background: var(--k9-surface);
    color: var(--k9-text);
    font-size: 18px;
    font-weight: var(--k9-weight-semibold);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--k9-shadow-1);
    transition: background var(--k9-duration) var(--k9-ease);
}

.wk9-stepper__btn:hover:not(:disabled) {
    background: var(--k9-surface-hover);
}

.wk9-stepper__btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    box-shadow: none;
}

.wk9-stepper__value {
    min-width: 44px;
    text-align: center;
    font-weight: var(--k9-weight-bold);
    font-size: var(--k9-text-body);
    font-variant-numeric: tabular-nums;
}

/* Apple Pay ----------------------------------------------------------- */

.wk9-drawer__apple-pay {
    display: none;
    margin: 0 0 var(--k9-space-3);
}

.wk9-drawer__apple-pay-error {
    color: var(--k9-danger);
    font-size: var(--k9-text-caption);
    margin: 0 0 var(--k9-space-2);
}

@media (max-width: 767px) {
    .wk9-drawer__apple-pay:not([hidden]) {
        display: block;
        position: relative;
    }

    .wk9-drawer__apple-pay:not([hidden])::after {
        content: 'or';
        display: block;
        text-align: center;
        font-size: var(--k9-text-micro);
        color: var(--k9-text-faint);
        margin: var(--k9-space-2) 0 -2px;
        text-transform: uppercase;
        letter-spacing: var(--k9-tracking-micro);
        font-weight: var(--k9-weight-bold);
    }
}

/* Footer -------------------------------------------------------------- */

.wk9-drawer__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--k9-space-4);
    padding-top: var(--k9-space-3);
    border-top: var(--k9-border-width) solid var(--k9-line);
}

.wk9-drawer__price {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.wk9-drawer__price-label {
    font-size: var(--k9-text-micro);
    text-transform: uppercase;
    letter-spacing: var(--k9-tracking-micro);
    font-weight: var(--k9-weight-bold);
    color: var(--k9-text-muted);
}

.wk9-drawer__price-value {
    font-family: var(--k9-font-display);
    font-size: var(--k9-text-title-sm);
    font-weight: var(--k9-weight-display);
    font-variant-numeric: tabular-nums;
    letter-spacing: var(--k9-tracking-title);
}

.wk9-drawer__submit {
    flex: 1 1 auto;
    max-width: 240px;
    min-height: 52px;
    padding: var(--k9-space-3) var(--k9-space-6);
    background: var(--k9-action);
    color: var(--k9-action-text);
    border: 0;
    border-radius: var(--k9-radius-pill);
    font-family: var(--k9-font-body);
    font-size: var(--k9-text-body-sm);
    font-weight: var(--k9-weight-bold);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    cursor: pointer;
    transition:
        opacity var(--k9-duration) var(--k9-ease),
        background var(--k9-duration) var(--k9-ease);
}

.wk9-drawer__submit:hover:not(:disabled),
.wk9-drawer__submit:focus-visible:not(:disabled) {
    background: var(--k9-action-hover);
}

.wk9-drawer__submit:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

/* Desktop: centred modal ---------------------------------------------- */

@media (min-width: 768px) {
    .wk9-drawer__panel {
        top: 50%;
        left: 50%;
        right: auto;
        bottom: auto;
        transform: translate(-50%, calc(-50% + 20px));
        width: min(92vw, 560px);
        max-height: min(85vh, 720px);
        border-radius: var(--k9-radius-xl);
        padding: var(--k9-space-8) var(--k9-space-8) var(--k9-space-6);
        opacity: 0;
        transition:
            transform var(--k9-duration-slow) var(--k9-ease),
            opacity var(--k9-duration) var(--k9-ease);
    }

    .wk9-drawer.is-open .wk9-drawer__panel {
        transform: translate(-50%, -50%);
        opacity: 1;
    }

    .wk9-drawer__panel::before {
        display: none;
    }
}