/* ==========================================================================
   Controls — one button system for the whole site
   ========================================================================== */

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    min-height: 48px;              /* comfortable on touch (DESIGN.md 34) */
    padding: var(--space-3) var(--space-6);
    border: var(--border-width) solid transparent;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    letter-spacing: var(--letter-spacing-wide);
    line-height: 1;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: background-color var(--transition-fast), border-color var(--transition-fast),
        color var(--transition-fast), transform var(--transition-fast);
}

/* Presses register instantly; hover lift is left to the surface, not the type. */
.button:active {
    transform: translateY(1px);
}

.button--primary {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-text-on-accent);
}

.button--primary:hover {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    color: var(--color-text-on-accent);
}

.button--secondary {
    background-color: transparent;
    border-color: var(--color-border-strong);
    color: var(--color-text-primary);
}

.button--secondary:hover {
    background-color: var(--color-text-primary);
    border-color: var(--color-text-primary);
    color: var(--color-bg-primary);
}

/* For use over photography, where the page palette has no contrast to offer. */
.button--on-image {
    background-color: var(--color-on-image-veil);
    border-color: var(--color-on-image-edge);
    color: var(--color-on-image);
    backdrop-filter: saturate(1.2);
}

.button--on-image:hover {
    background-color: var(--color-on-image);
    border-color: var(--color-on-image);
    color: var(--color-text-primary);
}

.button--sm {
    min-height: 40px;
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-xs);
}

.button--lg {
    min-height: 54px;
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-base);
}

.button[disabled],
.button[aria-disabled="true"] {
    opacity: 0.5;
    pointer-events: none;
}

/* --------------------------------------------------------------------------
   Text link with an animated rule — the site's tertiary action
   -------------------------------------------------------------------------- */

.link-arrow {
    /* A standalone call to action, so it clears the 24px minimum target size
       rather than relying on the inline-text exemption. */
    min-block-size: 1.75rem;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-accent-text);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    letter-spacing: var(--letter-spacing-wide);
    text-decoration: none;
}

.link-arrow::after {
    content: "";
    inline-size: 1.75rem;
    block-size: 1px;
    background-color: currentColor;
    transition: inline-size var(--transition-base);
}

.link-arrow:hover {
    color: var(--color-accent-text);
}

.link-arrow:hover::after {
    inline-size: 2.75rem;
}

/* --------------------------------------------------------------------------
   Eyebrow — the small uppercase label above a heading
   -------------------------------------------------------------------------- */

.eyebrow {
    display: block;
    color: var(--color-text-secondary);
    font-family: var(--font-body);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    letter-spacing: var(--letter-spacing-eyebrow);
    text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   Form fields
   Deliberately lighter than the first pass: shorter controls, sentence-case
   labels and quieter type. Uppercase tracked labels on every filter made the
   panel read as a dense form rather than a way to narrow a catalogue.
   -------------------------------------------------------------------------- */

.field {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    min-inline-size: 0;  /* lets a field shrink in a grid instead of overflowing */
}

/* Always present and always visible. A placeholder is a hint, not a label
   (DESIGN.md 33). */
.field__label {
    color: var(--color-text-secondary);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    letter-spacing: var(--letter-spacing-snug);
}

.field__required {
    color: var(--color-accent-text);
}

.field input[type="text"],
.field input[type="search"],
.field input[type="email"],
.field input[type="tel"],
.field input[type="number"],
.field select,
.field textarea {
    inline-size: 100%;
    /* 44px keeps the touch target comfortable while losing the bulk of the
       48px version (DESIGN.md 34). */
    min-block-size: 44px;
    padding: var(--space-2) var(--space-4);
    background-color: var(--color-surface);
    /* border-strong, not the hairline: an input's edge is a boundary a visitor
       has to find, and WCAG 1.4.11 asks for 3:1 on exactly that. */
    border: var(--border-width) solid var(--color-border-strong);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    line-height: 1.4;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast),
        background-color var(--transition-fast);
}

.field textarea {
    padding-block: var(--space-3);
    line-height: var(--line-height-base);
    resize: vertical;
}

.field input::placeholder,
.field textarea::placeholder {
    color: var(--color-text-secondary);
    opacity: 0.75;
}

.field input:hover,
.field select:hover,
.field textarea:hover {
    border-color: var(--color-accent);
}

/* A soft accent halo on focus, on top of the global focus ring. */
.field input:focus,
.field select:focus,
.field textarea:focus {
    border-color: var(--color-accent);
    background-color: var(--color-surface);
}

.field select {
    /* Custom chevron so the control looks the same on every platform; the SVG
       is inline data, not a request. */
    appearance: none;
    padding-inline-end: var(--space-10);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8' fill='none' stroke='%236f685f' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M1 2 6 6.5 11 2'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-4) center;
    background-size: 11px 7px;
    cursor: pointer;
}

/* --------------------------------------------------------------------------
   Field feedback
   -------------------------------------------------------------------------- */

.field--invalid input,
.field--invalid select,
.field--invalid textarea {
    border-color: var(--color-error);
}

.field__help {
    color: var(--color-text-secondary);
    font-size: var(--font-size-xs);
}

.field__errors {
    list-style: none;
    margin: 0;
    padding: 0;
    color: var(--color-error);
    font-size: var(--font-size-xs);
}

.form-errors {
    padding: var(--space-4) var(--space-5);
    border: var(--border-width) solid var(--color-error);
    border-radius: var(--radius-md);
    color: var(--color-error);
    font-size: var(--font-size-sm);
}

.form-errors p + p {
    margin-block-start: var(--space-2);
}

/* --------------------------------------------------------------------------
   Checkbox
   Drawn rather than left to the browser, so it matches the rest of the system
   on every platform. The tick is a clip-path on a pseudo-element — no image,
   no icon font, and it inherits the accent colour.
   -------------------------------------------------------------------------- */

.checkbox-list,
.catalog-filters__amenities ul {
    display: grid;
    gap: var(--space-1) var(--space-5);
    grid-template-columns: repeat(auto-fill, minmax(10.5rem, 1fr));
    list-style: none;
    margin: var(--space-4) 0 0;
    padding: 0;
}

.catalog-filters__amenities li label {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    /* Comfortable to tap without turning the list into a row of buttons. */
    min-block-size: 38px;
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    cursor: pointer;
}

input[type="checkbox"] {
    appearance: none;
    flex-shrink: 0;
    display: grid;
    place-content: center;
    inline-size: 19px;
    block-size: 19px;
    margin: 0;
    background-color: var(--color-surface);
    border: var(--border-width) solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

input[type="checkbox"]::before {
    content: "";
    inline-size: 11px;
    block-size: 11px;
    background-color: var(--color-text-on-accent);
    /* A tick, described as a polygon so it scales with the box. */
    clip-path: polygon(14% 47%, 0 60%, 39% 100%, 100% 22%, 86% 9%, 39% 73%);
    transform: scale(0);
    transition: transform var(--duration-fast) var(--ease-out);
}

input[type="checkbox"]:checked {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
}

input[type="checkbox"]:checked::before {
    transform: scale(1);
}

label:hover > input[type="checkbox"]:not(:checked) {
    border-color: var(--color-accent);
}

@media (prefers-reduced-motion: reduce) {
    input[type="checkbox"]::before {
        transition: none;
    }
}

.catalog-filters__amenities fieldset,
fieldset.catalog-filters__amenities {
    margin: 0;
    padding: 0;
    border: 0;
}


/* --------------------------------------------------------------------------
   Amenity cards

   The amenity filter, presented as selectable cards instead of a checkbox
   list. The input is still a real checkbox inside the label — hidden from
   sight, never from the accessibility tree — so the keyboard, screen readers
   and a JavaScript-free form all behave exactly as before.

   Selection is styled through the adjacent-sibling selector rather than
   :has(), which keeps the visual state working everywhere without a fallback.
   -------------------------------------------------------------------------- */

.amenity-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(8.5rem, 1fr));
    gap: var(--space-3);
    margin-block-start: var(--space-4);
}

.amenity-card {
    position: relative;
    display: block;
    cursor: pointer;
    /* The label is the whole target; nothing inside steals the click. */
    -webkit-tap-highlight-color: transparent;
}

/* Off-screen rather than display:none — a hidden input is not focusable, and
   the card would stop being reachable by keyboard. */
.amenity-card input[type="checkbox"] {
    position: absolute;
    inline-size: 1px;
    block-size: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
    /* Undo the drawn-checkbox appearance; nothing of it is visible here. */
    appearance: none;
    border: 0;
    background: none;
}

.amenity-card__inner {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
    block-size: 100%;
    padding: var(--space-4);
    background-color: var(--color-surface);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--radius-md);
    transition:
        border-color var(--transition-fast),
        background-color var(--transition-fast),
        transform var(--duration-fast) var(--ease-out);
}

.amenity-card__icon {
    display: block;
    inline-size: 1.5rem;
    block-size: 1.5rem;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.amenity-card__icon svg {
    inline-size: 100%;
    block-size: 100%;
    /* base.css fills icons by default; this set is drawn in strokes. */
    fill: none;
    stroke: currentColor;
    stroke-width: 1.4;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.amenity-card__label {
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-snug);
    text-wrap: balance;
}

/* The tick badge, absent until the card is chosen. */
.amenity-card__check {
    position: absolute;
    inset-block-start: var(--space-3);
    inset-inline-end: var(--space-3);
    display: grid;
    place-content: center;
    inline-size: 1.125rem;
    block-size: 1.125rem;
    border-radius: 50%;
    background-color: var(--color-accent);
    color: var(--color-text-on-accent);
    opacity: 0;
    transform: scale(0.6);
    transition:
        opacity var(--duration-fast) var(--ease-out),
        transform var(--duration-fast) var(--ease-out);
}

.amenity-card__check svg {
    inline-size: 0.7rem;
    block-size: 0.7rem;
    fill: none;
    stroke: currentColor;
    stroke-width: 2.6;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* -- states ---------------------------------------------------------- */

.amenity-card:hover .amenity-card__inner {
    border-color: var(--color-border-strong);
}

.amenity-card:hover .amenity-card__icon {
    color: var(--color-accent-text);
}

.amenity-card input[type="checkbox"]:checked ~ .amenity-card__inner {
    border-color: var(--color-accent);
    background-color: var(--color-bg-secondary);
}

.amenity-card input[type="checkbox"]:checked ~ .amenity-card__inner .amenity-card__icon {
    color: var(--color-accent-text);
}

.amenity-card input[type="checkbox"]:checked ~ .amenity-card__inner .amenity-card__check {
    opacity: 1;
    transform: scale(1);
}

/* The focus ring lands on the card, because that is what the visitor sees. */
.amenity-card input[type="checkbox"]:focus-visible ~ .amenity-card__inner {
    outline: var(--focus-ring-width) solid var(--color-accent);
    outline-offset: var(--focus-ring-offset);
}

.amenity-card:active .amenity-card__inner {
    transform: scale(0.985);
}

@media (prefers-reduced-motion: reduce) {
    .amenity-card__inner,
    .amenity-card__check,
    .amenity-card__icon {
        transition: none;
    }

    .amenity-card:active .amenity-card__inner {
        transform: none;
    }
}