/* ============================================================
   Homepage — Search-Bar + Lab-Grid
   Hero-Layout → base/shell_pages.css (.shell-hero, .shell-grid)
   ============================================================ */

/* Search bar (Hero-Slot) */
.home-search-bar {
    display: flex;
    align-items: center;
    background: var(--neutrals-0);
    border: var(--border-base) solid var(--surface-border-light);
    border-radius: var(--radius-xl);
    padding: var(--spacing-sm) var(--spacing-lg);
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.home-search-bar:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-hover-sm);
}

.home-search-bar__icon {
    flex-shrink: 0;
    color: var(--slate-400);
}

.home-search-bar__input {
    flex: 1;
    border: none;
    outline: none;
    font-size: var(--text-sm);
    color: var(--slate-400);
    background: transparent;
    cursor: pointer;
    font-family: inherit;
}

/* ============================================================
   Lab-Card — Labor-Kachel im Shell-Grid
   ============================================================ */
.lab-card {
    background: var(--neutrals-0);
    border-radius: var(--radius-2xl);
    border: var(--border-base) solid var(--surface-border-light);
    overflow: hidden;
    text-decoration: none;
    transition: box-shadow var(--transition-base),
                transform var(--transition-base),
                border-color var(--transition-base),
                opacity var(--transition-base);
    display: flex;
    flex-direction: column;
}

.lab-card:hover {
    box-shadow: var(--shadow-hover-md);
    transform: translateY(-4px);
    border-color: var(--primary-color);
    text-decoration: none;
}

/* „In Entwicklung"-Kategorie (keine aktiven Versuche): dezent abgedämpft */
.lab-card--pending {
    opacity: 0.78;
    border-style: dashed;
    border-color: var(--slate-200);
}

.lab-card--pending:hover {
    opacity: 1;
    border-style: solid;
}

.lab-card__header {
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: center;
    min-height: 260px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* "In Entwicklung" notice when no active experiments */
.lab-card__dev-notice {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    color: var(--slate-400);
}

.lab-card__dev-notice svg {
    opacity: 0.5;
}

.lab-card__dev-notice span {
    font-size: var(--text-sm);
    font-weight: 600;
    opacity: 0.6;
}

/* Collage grid: 2x2 layout of experiment icons */
.lab-card__collage {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    max-width: 220px;
    margin: 0 auto;
}

.lab-card__collage-item {
    width: 100%;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    background: rgba(var(--neutrals-0-rgb), 0.35);
    overflow: hidden;
    padding: var(--spacing-xs);
}

.lab-card__collage-item .exp-icon-svg {
    width: 100%;
    height: 100%;
}

.lab-card__collage-item img {
    width: 85%;
    height: 85%;
    object-fit: contain;
}

/* Leere Collage-Zelle: erhält Grid-Raster, zeigt keinen Inhalt */
.lab-card__collage-item--empty {
    background: rgba(var(--neutrals-0-rgb), 0.18);
}

.lab-card__body {
    padding: var(--spacing-lg) var(--spacing-xl);
    text-align: center;
}

.lab-card__title {
    font-size: var(--text-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.lab-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.lab-card__count {
    font-size: var(--text-xs);
    font-weight: 600;
}

.lab-card__link {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--primary-color);
}

.lab-card:hover .lab-card__link {
    text-decoration: underline;
}

/* ============================================================
   Responsive — Suchbar-Padding auf Mobile
   ============================================================ */
@media (max-width: 768px) {
    .home-search-bar {
        padding: var(--spacing-sm) var(--spacing-md);
    }
}