/* ============================================================
   Radatz Rezeptplattform – Übersichtseite / Recipe Cards
   ============================================================ */

/* ---- Page Layout ----------------------------------------- */
.index-layout {
    display: flex;
    gap: 1.5rem;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 1.5rem 1rem;
    align-items: flex-start;
}
@media (min-width: 768px) { .index-layout { padding: 1.5rem; } }
@media (min-width: 1024px) { .index-layout { padding: 2rem; } }

/* ---- Filter Sidebar -------------------------------------- */
.filter-sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    background: #fff;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border-light);
    overflow: hidden;
    position: sticky;
    top: calc(var(--header-height) + 1rem);
    max-height: calc(100vh - var(--header-height) - 2rem);
    overflow-y: auto;
}
/* Mobile: Sidebar wird zum ausklappbaren Drawer */
@media (max-width: 767px) {
    .filter-sidebar {
        position: fixed;
        top: 0; left: 0;
        width: 86%;
        max-width: 320px;
        height: 100vh;
        max-height: 100vh;
        z-index: 1000;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        border-radius: 0;
        border: none;
        box-shadow: 2px 0 24px rgba(0,0,0,0.25);
        display: block;
    }
    .filter-sidebar.is-open { transform: translateX(0); }
    body.filter-open { overflow: hidden; }
}

/* Backdrop für mobilen Filter-Drawer */
.filter-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}
.filter-backdrop.is-open {
    opacity: 1;
    pointer-events: auto;
}
@media (min-width: 768px) { .filter-backdrop { display: none; } }

/* Mobile-only Filter-Button in Toolbar */
.btn-mobile-filter { display: none; }
@media (max-width: 767px) {
    .btn-mobile-filter {
        display: inline-flex;
        align-items: center;
        gap: 0.4rem;
    }
}

/* Close-Button im Filter-Header – nur auf Mobile */
.filter-sidebar__close {
    display: none;
    background: none;
    border: none;
    width: 32px;
    height: 32px;
    padding: 0;
    color: var(--color-text-muted);
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    cursor: pointer;
}
.filter-sidebar__close:hover { background: var(--color-bg-alt); color: var(--color-text); }
.filter-sidebar__close svg { width: 1.1rem; height: 1.1rem; }
@media (max-width: 767px) { .filter-sidebar__close { display: inline-flex; } }

.filter-sidebar__header {
    padding: 0.75rem 1rem;
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.filter-sidebar__title {
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
}
#btn-reset-filters {
    font-size: 0.75rem;
    color: var(--color-primary);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    font-weight: 500;
}
#btn-reset-filters:hover { text-decoration: underline; }

.filter-section {
    border-bottom: 1px solid var(--color-border-light);
}
.filter-section:last-child { border-bottom: none; }
.filter-section__toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0.6rem 1rem;
    background: none;
    border: none;
    font: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    color: var(--color-text);
    text-align: left;
}
.filter-section__toggle:hover { background: var(--color-bg-alt); }
.filter-section__icon {
    width: 1rem;
    height: 1rem;
    transition: transform var(--transition);
    flex-shrink: 0;
}
.filter-section.is-open .filter-section__icon { transform: rotate(180deg); }
.filter-section__body {
    display: none;
    padding: 0.25rem 0 0.5rem;
}
.filter-section.is-open .filter-section__body { display: block; }

.filter-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.3rem 1rem;
    font-size: 0.875rem;
    cursor: pointer;
    border-radius: 0;
    transition: background var(--transition);
}
.filter-checkbox:hover { background: var(--color-bg-alt); }
.filter-checkbox input[type="checkbox"] {
    width: 16px;
    height: 16px;
    border-radius: 3px;
    border: 1.5px solid var(--color-border);
    appearance: none;
    background: #fff;
    cursor: pointer;
    flex-shrink: 0;
    transition: background var(--transition), border-color var(--transition);
    position: relative;
}
.filter-checkbox input[type="checkbox"]:checked {
    background: var(--color-primary);
    border-color: var(--color-primary);
}
.filter-checkbox input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    left: 3px; top: 1px;
    width: 6px; height: 9px;
    border: 2px solid #fff;
    border-top: none; border-left: none;
    transform: rotate(45deg);
}

/* ---- Main Content Area ----------------------------------- */
.index-content { flex: 1; min-width: 0; }

.index-toolbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}
.search-wrap {
    position: relative;
    flex: 1;
    min-width: 200px;
}
.search-wrap__icon {
    position: absolute;
    left: 0.7rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1rem;
    height: 1rem;
    color: var(--color-text-muted);
    pointer-events: none;
}
#recipe-search {
    padding-left: 2.25rem;
}
.index-count {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    white-space: nowrap;
}

/* ---- Recipe Grid ----------------------------------------- */
#recipe-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
    transition: opacity var(--transition);
}
/* Mobile: exakt 2 Karten nebeneinander für kompakte Darstellung */
@media (max-width: 767px) {
    #recipe-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
}
#recipe-grid.is-loading { opacity: 0.5; pointer-events: none; }

.recipe-grid-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem 1rem;
    color: var(--color-text-muted);
}
.recipe-grid-empty svg {
    width: 3rem;
    height: 3rem;
    margin: 0 auto 0.75rem;
    opacity: 0.3;
}
.recipe-grid-empty p { font-size: 1rem; }

/* ---- Recipe Card ----------------------------------------- */
.recipe-card {
    background: #fff;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    position: relative;
    transition: box-shadow var(--transition), transform var(--transition);
    display: flex;
    flex-direction: column;
}
.recipe-card:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-2px);
}

.recipe-card__link {
    display: flex;
    flex-direction: column;
    flex: 1;
    color: inherit;
}

.recipe-card__image-wrap {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    background: var(--color-bg-alt);
    flex-shrink: 0;
}
.recipe-card__image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.recipe-card:hover .recipe-card__image-wrap img { transform: scale(1.04); }

.recipe-card__no-image {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-border);
}
.recipe-card__no-image svg { width: 3rem; height: 3rem; }

.recipe-card__plu {
    position: absolute;
    top: 0.5rem;
    left: 0.5rem;
    background: rgba(0,0,0,0.65);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.15rem 0.4rem;
    border-radius: 3px;
    letter-spacing: 0.04em;
}

.recipe-card__edit {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 32px;
    height: 32px;
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition), opacity var(--transition);
    z-index: 2;
}
.recipe-card__edit svg { width: 14px; height: 14px; }
.recipe-card__edit:hover { background: var(--color-primary-dark); }
@media (min-width: 1024px) {
    .recipe-card__edit { opacity: 0; }
    .recipe-card:hover .recipe-card__edit { opacity: 1; }
}

.recipe-card__body {
    padding: 0.875rem 1rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    flex: 1;
}
.recipe-card__dept {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
}
.recipe-card__title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.3;
}
.recipe-card__avail {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-style: italic;
}
.recipe-card__chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    margin-top: 0.25rem;
}

/* ---- Mobile-Card: kompaktere Darstellung ----------------- */
@media (max-width: 767px) {
    .recipe-card__body { padding: 0.55rem 0.7rem 0.7rem; gap: 0.2rem; }
    .recipe-card__title { font-size: 0.85rem; line-height: 1.25; }
    .recipe-card__dept { font-size: 0.6rem; }
    .recipe-card__avail { font-size: 0.7rem; }
    .recipe-card__plu { font-size: 0.6rem; padding: 0.1rem 0.3rem; top: 0.35rem; left: 0.35rem; }
    .recipe-card__edit { width: 26px; height: 26px; top: 0.35rem; right: 0.35rem; opacity: 1; }
    .recipe-card__edit svg { width: 12px; height: 12px; }
    .recipe-card__chips .chip { font-size: 0.62rem; padding: 0.08rem 0.4rem; }
    /* Chips sehr sparsam – nur die ersten zwei */
    .recipe-card__chips .chip:nth-child(n+3) { display: none; }
}