/* =================================================================
   Actar Custom — CSS amb variables configurables
   Les variables --actar-* vénen del panell d'admin (settings.php).
   Si no estan definides, els defaults assignats a sota fan de fallback.
   ================================================================= */


/* =================================================================
   GRID DE PORTADES
   ================================================================= */

.actar-portadas-grid {
    display: grid;
    grid-template-columns: repeat(var(--actar-cols, 5), minmax(0, 1fr));
    gap: var(--actar-grid-gap, 56px);
    width: 100%;
    margin: 0 auto;
    padding: var(--actar-page-pad-top, 100px) var(--actar-page-pad-sides, 0px) var(--actar-page-pad-bottom, 40px);
    list-style: none;
    box-sizing: border-box;
    align-items: start;
}

.actar-portada-item {
    position: relative;
    margin: 0;
    padding: 0;
    background: transparent;
    cursor: pointer;
}

.actar-portada-cover {
    position: relative;
    display: block;
    width: 100%;
    line-height: 0;
}

.actar-portada-cover img {
    display: block;
    width: 100%;
    height: auto;
    transition: transform 0.4s ease;
}


/* =================================================================
   OVERLAY
   ================================================================= */

.actar-portada-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding: var(--actar-overlay-pad, 18px);
    background: var(--actar-overlay-bg, rgba(20, 20, 20, 0.88));
    color: #fff;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    box-sizing: border-box;
    z-index: 10;
}

@media (hover: hover) {
    .actar-portada-item:hover .actar-portada-overlay {
        opacity: 1;
        pointer-events: auto;
    }
    .actar-portada-item:hover .actar-portada-cover img {
        transform: scale(1.02);
    }
}

.actar-portada-item.is-active .actar-portada-overlay {
    opacity: 1;
    pointer-events: auto;
}

.actar-portada-title {
    font-size: var(--actar-title-size, 1.65rem);
    font-weight: 600;
    line-height: 1.2;
    margin: 0 0 14px 0;
    color: #fff;
}

.actar-portada-authors {
    font-size: var(--actar-authors-size, 1.1rem);
    font-weight: 500;
    line-height: 1.3;
    margin: 0 0 20px 0;
    color: rgba(255, 255, 255, 0.95);
}

.actar-portada-excerpt {
    font-size: var(--actar-excerpt-size, 1rem);
    line-height: 1.5;
    margin: 0 0 24px 0;
    color: rgba(255, 255, 255, 0.92);
    display: -webkit-box;
    -webkit-line-clamp: var(--actar-excerpt-lines, 7);
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex-grow: 1;
}

.actar-portada-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: auto;
}

.actar-portada-btn {
    display: inline-block;
    padding: 11px 20px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    border-radius: 2px;
    transition: background 0.2s ease, color 0.2s ease, opacity 0.2s ease;
    border: 1px solid rgba(255, 255, 255, 0.45);
    color: #fff;
    background: transparent;
    line-height: 1.2;
    cursor: pointer;
    font-family: inherit;
}

.actar-portada-btn:hover,
.actar-portada-btn:focus {
    background: #fff;
    color: #141414;
    text-decoration: none;
    outline: none;
}

.actar-portada-btn--buy {
    background: #fff;
    color: #141414;
    border-color: #fff;
}

.actar-portada-btn--buy:hover,
.actar-portada-btn--buy:focus {
    background: rgba(255, 255, 255, 0.85);
    color: #141414;
}

.actar-portada-btn--buy.is-loading { opacity: 0.7; cursor: wait; }
.actar-portada-btn--buy.is-added { background: #2c7a3d; color: #fff; border-color: #2c7a3d; }
.actar-portada-btn--buy.is-error { background: #c4362f; color: #fff; border-color: #c4362f; }

.actar-portadas-empty {
    text-align: center;
    padding: 40px 20px;
    color: #666;
}


/* =================================================================
   BADGES
   ================================================================= */

.actar-badge {
    position: absolute;
    top: calc(var(--actar-badge-offset-grid, 25px) * -1);
    width: var(--actar-badge-width-grid, 22%);
    max-width: 110px;
    min-width: 60px;
    height: auto;
    z-index: 5;
    pointer-events: none;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.12));
}

.actar-badge--left  { left:  calc(var(--actar-badge-offset-grid, 25px) * -1); }
.actar-badge--right { right: calc(var(--actar-badge-offset-grid, 25px) * -1); }

.actar-badge--single {
    width: var(--actar-badge-width-single, 18%);
    max-width: 140px;
    min-width: 80px;
    top: calc(var(--actar-badge-offset-single, 30px) * -1);
}

.actar-badge--single.actar-badge--left  { left:  calc(var(--actar-badge-offset-single, 30px) * -1); }
.actar-badge--single.actar-badge--right { right: calc(var(--actar-badge-offset-single, 30px) * -1); }


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

@media (max-width: 1200px) {
    .actar-portadas-grid {
        grid-template-columns: repeat(min(var(--actar-cols, 5), 4), minmax(0, 1fr));
        gap: var(--actar-grid-gap-tablet, 44px);
    }
}

@media (max-width: 900px) {
    .actar-portadas-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: var(--actar-grid-gap-tablet-sm, 32px);
    }
    .actar-portada-overlay { padding: var(--actar-overlay-pad-tablet, 12px); }
    .actar-portada-title   { font-size: calc(var(--actar-title-size, 1.65rem) * 0.79); margin-bottom: 8px; }
    .actar-portada-authors { font-size: calc(var(--actar-authors-size, 1.1rem) * 0.86); margin-bottom: 14px; }
    .actar-portada-excerpt { font-size: calc(var(--actar-excerpt-size, 1rem) * 0.88); margin-bottom: 16px; -webkit-line-clamp: 5; }
    .actar-portada-btn     { padding: 8px 14px; font-size: 0.82rem; }
    .actar-badge {
        top: calc(var(--actar-badge-offset-grid-tablet, 16px) * -1);
        width: calc(var(--actar-badge-width-grid, 22%) * 1.09);
        min-width: 50px;
    }
    .actar-badge--left  { left:  calc(var(--actar-badge-offset-grid-tablet, 16px) * -1); }
    .actar-badge--right { right: calc(var(--actar-badge-offset-grid-tablet, 16px) * -1); }
}

@media (max-width: 600px) {
    .actar-portadas-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--actar-grid-gap-mobile, 24px);
    }
    .actar-portada-excerpt { -webkit-line-clamp: 4; }
    .actar-badge {
        top: calc(var(--actar-badge-offset-grid-mobile, 12px) * -1);
        width: calc(var(--actar-badge-width-grid, 22%) * 1.18);
        min-width: 44px;
    }
    .actar-badge--left  { left:  calc(var(--actar-badge-offset-grid-mobile, 12px) * -1); }
    .actar-badge--right { right: calc(var(--actar-badge-offset-grid-mobile, 12px) * -1); }
}