/* ==========================================================================
   LW Publikationen – Slider & Grid Frontend
   WCAG 2.1 AA · Responsive · Dark-Theme-ready
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;1,300&family=DM+Sans:wght@300;400&display=swap');

.lwp-publikationen *,
.lwp-publikationen *::before,
.lwp-publikationen *::after { box-sizing: border-box; }

/* ==========================================================================
   SLIDER-MODUS  [lw_publikationen layout="slider"]
   ========================================================================== */

.lwp-slider-wrap {
    position: relative;
    width: 100%;
    overflow: hidden;
    -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 7%, #000 93%, transparent 100%);
    mask-image:         linear-gradient(to right, transparent 0%, #000 7%, #000 93%, transparent 100%);
}

.lwp-slider-track {
    display: flex;
    gap: 20px;
    padding: 24px 6% 32px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    cursor: grab;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.lwp-slider-track::-webkit-scrollbar { display: none; }
.lwp-slider-track.is-grabbing { cursor: grabbing; }

/* ---------- Buch-Karte ---------- */
.lwp-card {
    flex: 0 0 148px;
    scroll-snap-align: start;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: transform 0.32s cubic-bezier(0.34,1.56,0.64,1);
}

.lwp-card:hover { transform: translateY(-8px); }

.lwp-card-cover {
    position: relative;
    width: 148px;
    height: 222px;
    border-radius: 3px;
    overflow: hidden;
    box-shadow:
        0 2px  6px rgba(0,0,0,.30),
        0 8px 24px rgba(0,0,0,.45),
        4px 0  0 rgba(0,0,0,.18);
    flex-shrink: 0;
}

.lwp-card-cover img {
    width: 100%; height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.42s cubic-bezier(0.25,0.46,0.45,0.94),
                filter    0.42s ease;
}

.lwp-card:hover .lwp-card-cover img {
    transform: scale(1.04);
    filter: brightness(0.88);
}

.lwp-card-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,.82) 0%, rgba(0,0,0,.18) 55%, transparent 100%);
    opacity: 0;
    transition: opacity 0.32s ease;
    display: flex;
    align-items: flex-end;
    padding: 14px 12px;
}

.lwp-card:hover .lwp-card-overlay,
.lwp-card:focus-within .lwp-card-overlay { opacity: 1; }

.lwp-card-open {
    font-family: 'DM Sans', sans-serif;
    font-size: 11px;
    font-weight: 400;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 6px;
}

.lwp-card-open::after {
    content: '';
    display: block;
    width: 20px; height: 1px;
    background: #fff;
    transition: width 0.28s ease;
}

.lwp-card:hover .lwp-card-open::after { width: 32px; }

.lwp-card-placeholder {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    background: #1c1c1c;
}
.lwp-card-placeholder span {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2.4rem;
    font-weight: 300;
    color: #444;
    letter-spacing: 0.05em;
}

.lwp-pdf-badge {
    position: absolute;
    top: 8px; right: 8px;
    background: rgba(0,0,0,.68);
    color: #e8e8e8;
    font-family: 'DM Sans', sans-serif;
    font-size: 9px;
    font-weight: 400;
    letter-spacing: 0.12em;
    padding: 3px 6px;
    border-radius: 2px;
    pointer-events: none;
}

.lwp-card-info {
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.lwp-card-title {
    font-family: 'DM Sans', sans-serif;
    font-size: 12px;
    font-weight: 300;
    line-height: 1.45;
    color: inherit;
    overflow-wrap: break-word;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.lwp-card-meta {
    font-family: 'DM Sans', sans-serif;
    font-size: 10px;
    letter-spacing: 0.06em;
    opacity: 0.45;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.lwp-card-link {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    outline: none;
}

.lwp-card-link:focus-visible .lwp-card-cover {
    outline: 2px solid currentColor;
    outline-offset: 3px;
}

/* ---------- Pfeil-Buttons ---------- */
.lwp-nav {
    position: absolute;
    top: calc(50% - 16px);
    transform: translateY(-50%);
    width: 40px; height: 40px;
    border: none;
    background: rgba(255,255,255,.07);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: 50%;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: background 0.2s, transform 0.2s;
    z-index: 10;
    color: inherit;
}

.lwp-nav:hover { background: rgba(255,255,255,.15); }
.lwp-nav:active { transform: translateY(-50%) scale(0.93); }
.lwp-nav:focus-visible { outline: 2px solid currentColor; outline-offset: 2px; }
.lwp-nav svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.lwp-nav-prev { left: 6px; }
.lwp-nav-next { right: 6px; }
.lwp-nav[disabled] { opacity: 0.15; pointer-events: none; }

/* ---------- Dots ---------- */
.lwp-dots-nav { margin-top: 14px; }

.lwp-dots {
    display: flex;
    justify-content: center;
    gap: 6px;
    padding: 0;
    list-style: none;
    margin: 0;
}

.lwp-dot {
    width: 5px; height: 5px;
    border-radius: 50%;
    background: currentColor;
    opacity: 0.22;
    border: none;
    padding: 0;
    cursor: pointer;
    transition: opacity 0.2s, width 0.3s cubic-bezier(0.34,1.56,0.64,1);
}

.lwp-dot.is-active {
    opacity: 0.75;
    width: 18px;
    border-radius: 3px;
}

/* ==========================================================================
   GRID-MODUS  [lw_publikationen layout="grid"]
   ========================================================================== */

.lwp-grid-wrap .lwp-liste {
    display: grid;
    grid-template-columns: repeat( var(--lwp-cols, 4), minmax(0, 1fr) );
    gap: 28px 20px;
    list-style: none;
    margin: 0; padding: 0;
}

.lwp-publikationen[data-cols="1"] { --lwp-cols: 1; }
.lwp-publikationen[data-cols="2"] { --lwp-cols: 2; }
.lwp-publikationen[data-cols="3"] { --lwp-cols: 3; }
.lwp-publikationen[data-cols="4"] { --lwp-cols: 4; }
.lwp-publikationen[data-cols="5"] { --lwp-cols: 5; }
.lwp-publikationen[data-cols="6"] { --lwp-cols: 6; }

.lwp-buch { display: flex; }

.lwp-buch-inner {
    display: flex; flex-direction: column;
    width: 100%;
    text-decoration: none; color: inherit;
    border-radius: 4px;
    transition: transform 0.18s ease;
}

.lwp-buch-link:hover,
.lwp-buch-link:focus-visible { transform: translateY(-5px); outline: none; }

.lwp-buch-link:focus-visible .lwp-cover-wrap {
    outline: 3px solid currentColor;
    outline-offset: 3px;
    border-radius: 4px;
}

.lwp-cover-wrap {
    position: relative;
    width: 100%; aspect-ratio: 2 / 3;
    overflow: hidden; border-radius: 4px;
    background: #1a1a1a;
    box-shadow: 2px 4px 14px rgba(0,0,0,.40);
    flex-shrink: 0;
}

.lwp-cover-img { width: 100%; height: 100%; object-fit: cover; display: block; }

.lwp-cover-placeholder {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    background: #2a2a2a;
}
.lwp-cover-placeholder span { font-size: 2rem; font-weight: 700; color: #666; }

.lwp-buch-info { margin-top: 10px; flex: 1; display: flex; flex-direction: column; gap: 3px; }
.lwp-buch-titel { font-size: .875rem; font-weight: 600; line-height: 1.4; overflow-wrap: break-word; }
.lwp-buch-meta  { font-size: .75rem; opacity: .65; }
.lwp-buch-beschreibung {
    font-size: .75rem; line-height: 1.5; opacity: .55;
    display: -webkit-box; -webkit-line-clamp: 3;
    -webkit-box-orient: vertical; overflow: hidden;
}

/* ==========================================================================
   Leer-Zustand
   ========================================================================== */
.lwp-empty { font-size: .875rem; opacity: .6; font-style: italic; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1200px) {
    .lwp-publikationen[data-cols="5"],
    .lwp-publikationen[data-cols="6"] { --lwp-cols: 4; }
}
@media (max-width: 900px) {
    .lwp-grid-wrap .lwp-liste { gap: 22px 16px; }
    .lwp-publikationen[data-cols="4"],
    .lwp-publikationen[data-cols="5"],
    .lwp-publikationen[data-cols="6"] { --lwp-cols: 3; }
    .lwp-card { flex: 0 0 130px; }
    .lwp-card-cover { width: 130px; height: 195px; }
}
@media (max-width: 640px) {
    .lwp-grid-wrap .lwp-liste { gap: 20px 14px; }
    .lwp-publikationen[data-cols="3"],
    .lwp-publikationen[data-cols="4"],
    .lwp-publikationen[data-cols="5"],
    .lwp-publikationen[data-cols="6"] { --lwp-cols: 2; }
    .lwp-buch-beschreibung { display: none; }
    .lwp-card { flex: 0 0 120px; }
    .lwp-card-cover { width: 120px; height: 180px; }
    .lwp-nav { display: none; }
}
@media (max-width: 360px) {
    .lwp-liste { --lwp-cols: 2 !important; }
    .lwp-card { flex: 0 0 108px; }
    .lwp-card-cover { width: 108px; height: 162px; }
}

/* ==========================================================================
   Forced Colors / Hoher Kontrast
   ========================================================================== */
@media (forced-colors: active) {
    .lwp-pdf-badge { background: ButtonText; color: ButtonFace; forced-color-adjust: none; }
    .lwp-card-link:focus-visible .lwp-card-cover,
    .lwp-buch-link:focus-visible .lwp-cover-wrap { outline: 3px solid Highlight; }
    .lwp-nav { border: 1px solid ButtonText; }
    .lwp-dot { background: ButtonText; }
}

/* ==========================================================================
   Reduzierte Bewegung
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
    .lwp-card,
    .lwp-card-cover img,
    .lwp-card-overlay,
    .lwp-buch-inner,
    .lwp-dot { transition: none; }
    .lwp-card:hover { transform: none; }
    .lwp-slider-track { scroll-behavior: auto; }
}