/* Ficha de producto (detalle) — estilo sobrio */
.pficha {
    --pf-ink: #1a2332;
    --pf-muted: #5c6675;
    --pf-line: #d7dce6;
    --pf-steel: #3d4a5c;
    --pf-accent: #c62828;
    --pf-surface: #ffffff;
    --pf-soft: #f3f4f6;
    padding: 1.25rem 0 3.5rem;
    background: #f5f6f8;
}

.pficha__wrap {
    max-width: 1120px;
}

.pficha__crumbs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.4rem 0.55rem;
    margin: 0 0 1.35rem;
    font-size: 0.82rem;
    color: var(--pf-muted);
}

.pficha__crumbs a {
    color: var(--pf-steel);
    text-decoration: none;
}

.pficha__crumbs a:hover {
    color: var(--pf-accent);
    text-decoration: underline;
}

.pficha__crumb-current {
    color: var(--pf-ink);
    font-weight: 600;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pficha__top {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 2rem;
    align-items: start;
    margin-bottom: 1.75rem;
}

.pficha__gallery {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.pficha__stage {
    position: relative;
    background: var(--pf-surface);
    border: 1px solid var(--pf-line);
    border-radius: 14px;
    min-height: 380px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(26, 35, 50, 0.05);
}

.pficha__img {
    width: 100%;
    height: 380px;
    object-fit: contain;
    padding: 1.5rem;
    display: block;
}

.pficha__noimg {
    color: #8b95a5;
    font-size: 0.95rem;
}

.pficha__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 2.2rem;
    height: 2.2rem;
    border: 1px solid var(--pf-line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.95);
    color: var(--pf-steel);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 2;
}

.pficha__nav--prev { left: 0.7rem; }
.pficha__nav--next { right: 0.7rem; }

.pficha__nav:hover {
    border-color: #b8c0cc;
    color: var(--pf-ink);
}

.pficha__zoom {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    width: 2.15rem;
    height: 2.15rem;
    border-radius: 8px;
    border: 1px solid var(--pf-line);
    background: #fff;
    color: var(--pf-steel);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    z-index: 2;
}

.pficha__zoom:hover {
    color: var(--pf-accent);
    border-color: #c9d0db;
}

.pficha__thumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}

.pficha__thumb {
    width: 68px;
    height: 68px;
    padding: 0.25rem;
    border: 1px solid var(--pf-line);
    border-radius: 10px;
    background: #fff;
    cursor: pointer;
    overflow: hidden;
}

.pficha__thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.pficha__thumb.is-active {
    border-color: var(--pf-accent);
    box-shadow: 0 0 0 1px var(--pf-accent);
}

.pficha__info {
    background: var(--pf-surface);
    border: 1px solid var(--pf-line);
    border-radius: 14px;
    padding: 1.35rem 1.4rem 1.45rem;
    box-shadow: 0 2px 12px rgba(26, 35, 50, 0.04);
}

.pficha__stock {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.28rem 0.65rem;
    border-radius: 6px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.pficha__stock--ok {
    background: #e8f5e9;
    color: #2e7d32;
}

.pficha__stock--off {
    background: #fdecea;
    color: #b71c1c;
}

.pficha__title {
    margin: 0.75rem 0 0.7rem;
    font-size: clamp(1.45rem, 2.4vw, 1.9rem);
    line-height: 1.2;
    font-weight: 800;
    color: var(--pf-ink);
}

.pficha__cat {
    display: inline-flex;
    align-items: center;
    padding: 0.28rem 0.65rem;
    border-radius: 6px;
    background: #eef1f5;
    color: var(--pf-steel);
    font-size: 0.72rem;
    font-weight: 700;
    text-decoration: none;
}

.pficha__cat:hover {
    background: #e4e8ef;
}

.pficha__ref {
    margin: 0.75rem 0 0;
    color: var(--pf-muted);
    font-size: 0.9rem;
}

.pficha__ref span {
    color: var(--pf-ink);
    font-weight: 600;
}

.pficha__price {
    margin: 0.65rem 0 0;
    color: var(--pf-ink);
    font-size: 1.25rem;
    font-weight: 800;
}

.pficha__lead {
    margin: 0.9rem 0 0;
    color: var(--pf-muted);
    font-size: 0.95rem;
    line-height: 1.55;
}

.pficha__notice {
    margin: 0.9rem 0 0;
    padding: 0.7rem 0.85rem;
    border-radius: 8px;
    background: #f4f6f9;
    border: 1px solid var(--pf-line);
    color: var(--pf-steel);
    font-size: 0.86rem;
}

.pficha__actions {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    margin-top: 1.15rem;
}

.pficha__actions form {
    margin: 0;
}

.pficha__btn {
    width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    min-height: 2.85rem;
    padding: 0.7rem 1rem;
    border-radius: 10px;
    border: 1px solid transparent;
    font-size: 0.92rem;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}

.pficha__btn--primary {
    background: var(--pf-accent);
    color: #fff;
    box-shadow: 0 2px 8px rgba(198, 40, 40, 0.22);
}

.pficha__btn--primary:hover:not(:disabled) {
    background: #9f1d1d;
}

.pficha__btn--primary:disabled,
.pficha__btn--primary.is-in-quote {
    opacity: 0.78;
    cursor: default;
    box-shadow: none;
}

.pficha__btn--wa {
    background: #1a2332;
    color: #fff;
}

.pficha__btn--wa:hover {
    background: #111827;
}

.pficha__perks {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.65rem;
    margin-top: 1.2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--pf-line);
}

.pficha__perk {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.35rem;
}

.pficha__perk i {
    color: var(--pf-steel);
    font-size: 1.05rem;
}

.pficha__perk span {
    color: #667084;
    font-size: 0.7rem;
    font-weight: 600;
    line-height: 1.3;
}

.pficha__bottom {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(220px, 0.55fr);
    gap: 1.25rem;
    align-items: start;
}

.pficha__panel {
    background: var(--pf-surface);
    border: 1px solid var(--pf-line);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(26, 35, 50, 0.04);
}

.pficha__tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.15rem 1.1rem;
    padding: 0 1.2rem;
    border-bottom: 1px solid var(--pf-line);
    background: #fafbfc;
}

.pficha__tab {
    appearance: none;
    border: 0;
    background: transparent;
    padding: 0.95rem 0.1rem;
    margin-bottom: -1px;
    color: var(--pf-muted);
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    border-bottom: 2px solid transparent;
}

.pficha__tab.is-active {
    color: var(--pf-accent);
    border-bottom-color: var(--pf-accent);
}

.pficha__tabpanels {
    padding: 1.2rem 1.3rem 1.4rem;
}

.pficha__tabpanel[hidden] {
    display: none !important;
}

.pficha__copy {
    color: #3f4b5c;
    font-size: 0.95rem;
    line-height: 1.65;
}

.pficha__empty {
    margin: 0;
    color: var(--pf-muted);
    font-size: 0.92rem;
    line-height: 1.55;
}

.pficha__empty a {
    color: var(--pf-accent);
    font-weight: 700;
}

.pficha__specs {
    margin: 0;
    display: grid;
    gap: 0.75rem;
}

.pficha__specs > div {
    display: grid;
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 0.75rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid #eef1f5;
}

.pficha__specs dt {
    color: var(--pf-muted);
    font-size: 0.84rem;
    font-weight: 600;
}

.pficha__specs dd {
    margin: 0;
    color: var(--pf-ink);
    font-size: 0.9rem;
    font-weight: 600;
}

.pficha__help {
    background: var(--pf-surface);
    border: 1px solid var(--pf-line);
    border-radius: 14px;
    padding: 1.2rem 1.15rem 1.25rem;
    box-shadow: 0 2px 12px rgba(26, 35, 50, 0.04);
}

.pficha__help-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 10px;
    background: #eef1f5;
    color: var(--pf-steel);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.75rem;
}

.pficha__help h2 {
    margin: 0 0 0.4rem;
    font-size: 1.05rem;
    color: var(--pf-ink);
}

.pficha__help p {
    margin: 0 0 0.9rem;
    color: var(--pf-muted);
    font-size: 0.88rem;
    line-height: 1.45;
}

.pficha__help a {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--pf-accent);
    font-weight: 800;
    font-size: 0.86rem;
    text-decoration: none;
}

.pficha__help a:hover {
    color: #9f1d1d;
}

.pficha__related {
    margin-top: 2.25rem;
}

.pficha__related-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
}

.pficha__related-head h2 {
    margin: 0;
    font-size: 1.2rem;
    color: var(--pf-ink);
}

.pficha__related-refresh {
    appearance: none;
    border: 1px solid var(--pf-line);
    background: #fff;
    color: var(--pf-steel);
    border-radius: 8px;
    padding: 0.45rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
}

.pficha__related-refresh:hover {
    border-color: #b8c0cc;
    color: var(--pf-ink);
}

@media (max-width: 960px) {
    .pficha__top,
    .pficha__bottom {
        grid-template-columns: 1fr;
    }

    .pficha__stage,
    .pficha__img {
        min-height: 300px;
        height: 300px;
    }
}

@media (max-width: 600px) {
    .pficha {
        padding-top: 0.75rem;
    }

    .pficha__info {
        padding: 1.05rem 1rem 1.15rem;
    }

    .pficha__perks {
        gap: 0.4rem;
    }

    .pficha__perk span {
        font-size: 0.62rem;
    }

    .pficha__specs > div {
        grid-template-columns: 1fr;
        gap: 0.2rem;
    }

    .pficha__related-head {
        flex-direction: column;
        align-items: flex-start;
    }
}

[data-theme="dark"] .pficha {
    --pf-ink: #f1f5f9;
    --pf-muted: #94a3b8;
    --pf-line: #1e2a3f;
    --pf-steel: #cbd5e1;
    --pf-accent: #ef5350;
    --pf-surface: #121826;
    --pf-soft: #0f172a;
    background: #0b1121;
}

[data-theme="dark"] .pficha__stage,
[data-theme="dark"] .pficha__info,
[data-theme="dark"] .pficha__panel,
[data-theme="dark"] .pficha__help,
[data-theme="dark"] .pficha__thumb,
[data-theme="dark"] .pficha__nav,
[data-theme="dark"] .pficha__zoom,
[data-theme="dark"] .pficha__related-refresh {
    background: #121826;
    border-color: #1e2a3f;
    box-shadow: none;
}

[data-theme="dark"] .pficha__tabs {
    background: #0f172a;
}

[data-theme="dark"] .pficha__cat,
[data-theme="dark"] .pficha__help-icon {
    background: #1a2233;
}

[data-theme="dark"] .pficha__notice {
    background: #0f172a;
    border-color: #1e2a3f;
}

[data-theme="dark"] .pficha__copy {
    color: #cbd5e1;
}