/**
 * TopArtikelSlider — Frontend-CSS
 * Prefix: tas-   |   SALEPIX-unabhaengig
 * Referenz-Optik: screenshots/topartikel-collection-block.png
 *
 * Breakpoints (analog NOVA):
 *   xs  < 514px  | sm  >= 514px | md  >= 768px
 *   lg  >= 1024px | xl  >= 1300px | xxl >= 1500px
 */

/* ===== Custom Properties ===== */
.tas-block {
    --tas-accent:       #c0392b;     /* ueberschrieben per Inline-Style vom Portlet */
    --tas-accent-dark:  #a93226;
    --tas-text-light:   #ffffff;
    --tas-aside-width:  280px;
    --tas-gap:          0px;
    --tas-card-gap:     10px;
    --tas-radius:       4px;
    --tas-btn-radius:   2px;
    --tas-transition:   .25s ease;
}

/* ===== Wrapper ===== */
.tas-block {
    display: flex;
    flex-direction: column;
    width: 100%;
    overflow: hidden;
    border-radius: var(--tas-radius);
    background: #f5f5f5;
    margin-bottom: 2rem;
}

/* Ab lg: zweispaltig */
@media (min-width: 1024px) {
    .tas-block {
        flex-direction: row;
        align-items: stretch;
    }
}

/* ===== Aside-Panel ===== */
.tas-aside {
    /* Text-Theme (v1.1.3): hell = Default. Override via .tas-aside--text-dark.
     * Schatten sorgt unabhaengig vom Bild fuer Grundlesbarkeit. */
    --tas-text:          #ffffff;
    --tas-text-shadow:   0 1px 3px rgba(0,0,0,.55);
    --tas-btn-bg:        rgba(255,255,255,.15);
    --tas-btn-bg-hover:  rgba(255,255,255,.30);
    --tas-btn-border:    rgba(255,255,255,.50);
    --tas-nav-border:    rgba(255,255,255,.50);
    --tas-nav-hover-bg:  rgba(255,255,255,.20);

    background: var(--tas-accent);
    color: var(--tas-text);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 2rem 1.5rem;
    flex-shrink: 0;
    gap: .75rem;
}

/* Dunkles Text-Theme — fuer helle Hintergrundbilder (v1.1.3) */
.tas-aside--text-dark {
    --tas-text:          #1a1a1a;
    --tas-text-shadow:   0 1px 2px rgba(255,255,255,.65);
    --tas-btn-bg:        rgba(0,0,0,.06);
    --tas-btn-bg-hover:  rgba(0,0,0,.14);
    --tas-btn-border:    rgba(0,0,0,.35);
    --tas-nav-border:    rgba(0,0,0,.35);
    --tas-nav-hover-bg:  rgba(0,0,0,.08);
}

/* Hintergrundbild-Variante (Feature v1.1.0)
 * Das bg-image kommt per Inline-Style.
 * Kein Overlay by default — nur wenn zusaetzlich .tas-aside--overlay gesetzt ist
 * (= Akzentfarbe im OPC-Konfig nicht leer).
 * position:relative + z-Index sichern Stapelreihenfolge fuer Overlay-Kinder.
 */
.tas-aside--has-bg {
    background-color: transparent; /* bg durch bg-image ersetzt */
    background-size: cover;
    background-position: center;
    position: relative;
}

/* Overlay nur wenn Akzentfarbe gesetzt (v1.1.2)
 * --tas-overlay-opacity: gesetzt per Inline-Style (0.00-1.00), Default 0.72.
 * Wenn leer (kein Overlay): ::before existiert nicht → reines Bild.
 */
.tas-aside--has-bg.tas-aside--overlay {
    --tas-overlay-opacity: 0.72; /* CSS-seitiger Fallback; wird per Inline-Style ueberschrieben */
}

.tas-aside--has-bg.tas-aside--overlay::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--tas-accent);
    opacity: var(--tas-overlay-opacity);
    pointer-events: none;
    z-index: 0;
}

/* Kinder des Aside liegen ueber dem Overlay (nur noetig wenn Overlay aktiv) */
.tas-aside--has-bg.tas-aside--overlay > * {
    position: relative;
    z-index: 1;
}

@media (min-width: 1024px) {
    .tas-aside {
        width: var(--tas-aside-width);
        min-width: var(--tas-aside-width);
        padding: 2.5rem 2rem;
    }
}

.tas-aside__headline {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin: 0;
    color: var(--tas-text);
    text-shadow: var(--tas-text-shadow);
}

/* Headline auf kleinen Screens sichtbar, ab lg versteckt */
@media (min-width: 1024px) {
    .tas-aside__headline {
        /* bleibt sichtbar laut Spec-Tabelle — Spaltenbreite ist Kontext genug */
    }
}

.tas-aside__text {
    font-size: .9rem;
    line-height: 1.5;
    opacity: .9;
    margin: 0;
    color: var(--tas-text);
    text-shadow: var(--tas-text-shadow);
}

/* Prev/Next-Navigation */
.tas-aside__nav {
    display: flex;
    gap: .5rem;
    margin-top: .5rem;
}

.tas-nav-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--tas-nav-border);
    background: transparent;
    color: var(--tas-text);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background var(--tas-transition), border-color var(--tas-transition);
    padding: 0;
    flex-shrink: 0;
}

.tas-nav-btn svg {
    width: 16px;
    height: 16px;
    pointer-events: none;
}

.tas-nav-btn:hover,
.tas-nav-btn:focus {
    background: var(--tas-nav-hover-bg);
    border-color: var(--tas-text);
    outline: none;
}

/* CTA-Button */
.tas-aside__btn {
    display: inline-block;
    padding: .5rem 1rem;
    background: var(--tas-btn-bg);
    color: var(--tas-text);
    border: 1px solid var(--tas-btn-border);
    border-radius: var(--tas-btn-radius);
    font-size: .85rem;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    text-shadow: var(--tas-text-shadow);
    transition: background var(--tas-transition);
    margin-top: .25rem;
    align-self: flex-start;
}

.tas-aside__btn:hover {
    background: var(--tas-btn-bg-hover);
    color: var(--tas-text);
    text-decoration: none;
}

/* ===== Slider-Bereich ===== */
.tas-slider-wrap {
    flex: 1;
    min-width: 0;
    padding: 1rem;
    background: #fff;
    display: flex;
    align-items: center;
}

@media (min-width: 1024px) {
    .tas-slider-wrap {
        padding: 1.5rem;
    }
}

/* ===== Slick Slider Override ===== */
.tas-slider {
    width: 100%;
}

/* Slick verhindert Overflow — bei Aside-Design brauchen wir es sauber */
.tas-slider .slick-list {
    overflow: hidden;
}

.tas-slider .slick-track {
    display: flex;
    align-items: stretch;
}

/* ===== Slide / Karte ===== */
.tas-slide {
    padding: 0 calc(var(--tas-card-gap) / 2);
    box-sizing: border-box;
}

.tas-card {
    border-radius: var(--tas-radius);
    overflow: hidden;
    background: #fff;
    height: 100%;
}

/* Produktbild quadratisch, volle Breite */
.tas-card .item-slider {
    border-radius: var(--tas-radius) var(--tas-radius) 0 0;
    overflow: hidden;
}

.tas-card .item-slider-desc {
    display: block;
    font-size: .82rem;
    padding: .4rem .5rem .1rem;
    color: #333;
    line-height: 1.3;
}

.tas-card .item-slider-price {
    padding: .1rem .5rem .5rem;
    font-size: .9rem;
    font-weight: 700;
    color: #111;
}

/* ===== Slick Dots ===== */
.tas-slider-wrap .slick-dots {
    bottom: -1.25rem;
    position: absolute;
    width: 100%;
    text-align: center;
    list-style: none;
    padding: 0;
    margin: 0;
}

.tas-slider-wrap .slick-dots li button:before {
    font-size: 8px;
    color: var(--tas-accent);
    opacity: .4;
}

.tas-slider-wrap .slick-dots li.slick-active button:before {
    opacity: 1;
}

/* Abstand fuer Dots */
.tas-slider-wrap {
    padding-bottom: 2rem;
    position: relative;
}

/* ===== Preview-Modus (OPC-Backend) ===== */
.tas-block--preview .tas-slider-wrap {
    min-height: 120px;
}

.tas-preview-placeholder {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    font-size: .85rem;
    background: #f8f8f8;
    border: 1px dashed #ccc;
    border-radius: var(--tas-radius);
    padding: 2rem;
    min-height: 120px;
}

/* ===== Leer-Zustand ===== */
.tas-empty {
    width: 100%;
    padding: 1.5rem;
    text-align: center;
    color: #999;
    font-size: .9rem;
}

/* ===== Responsive Anpassungen ===== */

/* xs < 514px: 1.5 Slides sichtbar */
.tas-slider {
    /* slidesToShow 1.5 wird per JS gesetzt */
}

/* Slick overflow fix fuer centerMode / fractional slides */
.tas-slider-wrap {
    overflow: hidden;
}

/* ab sm 514px: Headline bleibt im Aside sichtbar */
/* ab md 768px: centered fractional mode */
/* ab lg 1024px: Aside-Pfeile erscheinen, Aside fest links */