/* ============================================================
   Rolex Watch Filter — Estilos
   Paleta y proporciones inspiradas en rolex.com
   ============================================================ */

:root {
    --rwf-bg:        #f5f1ec;
    --rwf-card-bg:   #efe9e1;
    --rwf-fg:        #18191b;
    --rwf-muted:     #6e6e6e;
    --rwf-line:      #d8d2cb;
    --rwf-hover-bg:  #ebe5dc;
    --rwf-font:      "Helvetica Neue", Helvetica, Arial, "Liberation Sans", sans-serif;
    --rwf-radius:    0;
    --rwf-trans:     200ms ease;
}

/* Tipografía base */
.rwf-filters,
.rwf-grid-wrap {
    font-family: var(--rwf-font);
    color: var(--rwf-fg);
    font-size: 14px;
    line-height: 1.45;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================================
   SIDEBAR FILTERS
   ============================================================ */
.rwf-filters {
    width: 100%;
    max-width: 280px;
    padding: 24px 0;
    box-sizing: border-box;
}

.rwf-filters * {
    box-sizing: border-box;
}

.rwf-filters__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--rwf-line);
    margin-bottom: 4px;
}

.rwf-filters__title {
    font-size: 15px;
    font-weight: 500;
    margin: 0;
    letter-spacing: 0;
    color: var(--rwf-fg);
}

.rwf-filters__reset {
    background: #fff;
    border: 1px solid var(--rwf-line);
    cursor: pointer;
    font: inherit;
    color: var(--rwf-fg);
    font-size: 12px;
    padding: 5px 10px;
    border-radius: var(--rwf-radius);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: background var(--rwf-trans);
}
.rwf-filters__reset:hover {
    background: var(--rwf-hover-bg);
}

/* Grupos colapsables */
.rwf-group {
    border-bottom: 1px solid var(--rwf-line);
    padding: 14px 0;
}

.rwf-group__title {
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    list-style: none;
    position: relative;
    padding: 4px 24px 4px 0;
    user-select: none;
    color: var(--rwf-fg);
}
.rwf-group__title::-webkit-details-marker { display: none; }
.rwf-group__title::after {
    content: '+';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: 18px;
    font-weight: 300;
    line-height: 1;
    transition: transform var(--rwf-trans);
}
.rwf-group[open] > .rwf-group__title::after {
    content: '−';
}

.rwf-group__body {
    padding-top: 12px;
    display: flex;
    flex-direction: column;
    gap: 9px;
}

/* Opciones (checkbox + label) */
.rwf-option {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    cursor: pointer;
    color: var(--rwf-fg);
    line-height: 1.35;
    padding: 1px 0;
}
.rwf-option:hover span {
    opacity: 0.7;
}

.rwf-option input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    width: 14px;
    height: 14px;
    border: 1px solid var(--rwf-fg);
    background: #fff;
    margin: 0;
    cursor: pointer;
    position: relative;
    flex-shrink: 0;
    transition: background var(--rwf-trans), border-color var(--rwf-trans);
}
.rwf-option input[type="checkbox"]:checked {
    background: var(--rwf-fg);
    border-color: var(--rwf-fg);
}
.rwf-option input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    left: 3px;
    top: 0;
    width: 4px;
    height: 8px;
    border: solid #fff;
    border-width: 0 1.5px 1.5px 0;
    transform: rotate(45deg);
}
.rwf-option input[type="checkbox"]:focus-visible {
    outline: 2px solid var(--rwf-fg);
    outline-offset: 2px;
}

/* ============================================================
   TOOLBAR (count + sort)
   ============================================================ */
.rwf-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0 28px;
    margin-bottom: 8px;
}

.rwf-count {
    font-size: 13px;
    color: var(--rwf-muted);
    letter-spacing: 0.02em;
}

.rwf-sort-wrap {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.rwf-sort-label {
    font-size: 13px;
    color: var(--rwf-muted);
}
.rwf-sort {
    border: none;
    background: transparent;
    font: inherit;
    font-size: 13px;
    color: var(--rwf-fg);
    cursor: pointer;
    padding: 4px 22px 4px 4px;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path d='M1 1l4 4 4-4' stroke='%2318191b' fill='none' stroke-width='1'/></svg>");
    background-repeat: no-repeat;
    background-position: right 4px center;
    background-size: 10px 6px;
}
.rwf-sort:focus-visible {
    outline: 2px solid var(--rwf-fg);
    outline-offset: 2px;
}

/* ============================================================
   GRID
   ============================================================ */
.rwf-grid-wrap {
    transition: opacity var(--rwf-trans);
}
.rwf-grid-wrap.is-loading {
    opacity: 0.45;
    pointer-events: none;
}

.rwf-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

@media (max-width: 1024px) {
    .rwf-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
}
@media (max-width: 600px) {
    .rwf-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   CARD
   ============================================================ */
.rwf-card {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    background: transparent;
    transition: transform 300ms ease;
}

.rwf-card__media {
    background: var(--rwf-card-bg);
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14% 18%;
    overflow: hidden;
    position: relative;
    transition: background var(--rwf-trans);
}

/* Sombra suave bajo el reloj, como en rolex.com */
.rwf-card__media::after {
    content: '';
    position: absolute;
    bottom: 12%;
    left: 28%;
    right: 28%;
    height: 10px;
    background: radial-gradient(ellipse at center,
                rgba(0, 0, 0, 0.22) 0%,
                rgba(0, 0, 0, 0.08) 40%,
                transparent 75%);
    filter: blur(3px);
    z-index: 0;
    transition: opacity var(--rwf-trans);
}

.rwf-card__media img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    position: relative;
    z-index: 1;
    transition: transform 500ms cubic-bezier(0.2, 0.6, 0.2, 1);
}

.rwf-card:hover .rwf-card__media {
    background: var(--rwf-hover-bg);
}
.rwf-card:hover .rwf-card__media img {
    transform: scale(1.04) translateY(-2%);
}

.rwf-card__info {
    padding: 18px 4px 36px;
}
.rwf-card__brand {
    font-size: 12px;
    color: var(--rwf-muted);
    margin-bottom: 4px;
    letter-spacing: 0.02em;
}
.rwf-card__name {
    font-size: 17px;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--rwf-fg);
    line-height: 1.25;
}
.rwf-card__meta {
    font-size: 13px;
    color: var(--rwf-muted);
    margin-bottom: 6px;
    line-height: 1.4;
}
.rwf-card__meta p { margin: 0; }
.rwf-card__price {
    font-size: 13px;
    color: var(--rwf-fg);
    margin-top: 2px;
    letter-spacing: 0.01em;
}

/* Estado vacío */
.rwf-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 20px;
    color: var(--rwf-muted);
    font-size: 14px;
    border: 1px dashed var(--rwf-line);
}

/* ============================================================
   OPCIONAL: contenedor de página completo si lo necesitas
   Activa pintando un <body class="rwf-page"> o un wrapper.
   ============================================================ */
.rwf-page {
    background: var(--rwf-bg);
}