/**
 * @file    categories-v3.css
 * @module  Pages
 * @version 3.0.0 — V3 design system
 * @desc    Styles for /kategorie (index) and /kategorie/{slug} (browse).
 *          Built on --ds-* tokens. Keeps .ki-tile / .ki-card / .kp-* class names
 *          so existing JS hover swap (data-ov-hover) keeps working.
 */

/* ════════════════════════════════════════════════════════════
   /kategorie — index
   ════════════════════════════════════════════════════════════ */

.cat-idx {
    padding: 0 0 var(--ds-space-8);
    background: var(--ds-bg-page);
    color: var(--ds-text);
}

.cat-idx__hero {
    padding: var(--ds-space-8) var(--ds-space-4) var(--ds-space-7);
    background: linear-gradient(
        135deg,
        var(--ds-accent-soft) 0%,
        rgba(var(--ds-brand-blue-rgb), 0.05) 50%,
        var(--ds-accent-soft) 100%
    );
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cat-idx__hero::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 200px;
    height: 3px;
    border-radius: 2px;
    background: linear-gradient(
        90deg,
        var(--ds-brand-red) 0%,
        var(--ds-brand-orange) 20%,
        var(--ds-brand-yellow) 40%,
        var(--ds-brand-green) 60%,
        var(--ds-brand-blue) 80%,
        var(--ds-brand-purple) 100%
    );
}

.cat-idx__badge {
    font-size: var(--ds-fs-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ds-accent);
    margin: 0 0 var(--ds-space-2);
}

.cat-idx__title {
    font-size: clamp(24px, 4vw, var(--ds-fs-h2));
    font-weight: 800;
    letter-spacing: -0.02em;
    margin: 0 0 var(--ds-space-2);
    color: var(--ds-text);
}

.cat-idx__sub {
    font-size: var(--ds-fs-md);
    color: var(--ds-text-soft);
    max-width: 520px;
    margin: 0 auto;
    line-height: 1.5;
}

.cat-idx__grid {
    max-width: var(--ds-container);
    margin: 0 auto;
    padding: var(--ds-space-6) var(--ds-space-4) 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--ds-space-3);
}

.cat-idx__cta {
    margin-top: var(--ds-space-7);
    padding: var(--ds-space-7) var(--ds-space-4);
    background: var(--ds-text);
    color: var(--ds-text-inverse);
    text-align: center;
}

.cat-idx__cta-title {
    font-size: clamp(20px, 3vw, 28px);
    font-weight: 700;
    margin: 0 0 var(--ds-space-2);
    color: var(--ds-text-inverse);
}

.cat-idx__cta-sub {
    color: rgba(255, 255, 255, 0.6);
    margin: 0 0 var(--ds-space-5);
    font-size: var(--ds-fs-base);
}

.cat-idx__cta-actions {
    display: flex;
    gap: var(--ds-space-3);
    justify-content: center;
    flex-wrap: wrap;
}

.cat-idx__cta .ds-btn--ghost {
    border-color: rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.92);
}

.cat-idx__cta .ds-btn--ghost:hover {
    border-color: rgba(255, 255, 255, 0.45);
    background: rgba(255, 255, 255, 0.06);
}

.cat-idx__empty {
    padding: var(--ds-space-8) var(--ds-space-4);
    text-align: center;
    color: var(--ds-text-muted);
}

/* ════════════════════════════════════════════════════════════
   /kategorie/{slug} — browse
   ════════════════════════════════════════════════════════════ */

.kp {
    padding: var(--ds-space-5) 0 0;
    background: var(--ds-bg-card);
    color: var(--ds-text);
}

.kp__container {
    max-width: var(--ds-container);
    margin: 0 auto;
    padding: 0 var(--ds-space-4);
}

/* Breadcrumb */
.kp-bc {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--ds-space-1);
    font-size: var(--ds-fs-sm);
    color: var(--ds-text-soft);
    margin-bottom: var(--ds-space-4);
}

.kp-bc a {
    color: var(--ds-text-soft);
    text-decoration: none;
    transition: color 0.15s ease;
}

.kp-bc a:hover { color: var(--ds-text); }

.kp-bc__sep {
    opacity: 0.35;
    font-size: var(--ds-fs-xs);
}

.kp-bc__cur {
    color: var(--ds-text);
    font-weight: 500;
}

/* Header */
.kp-header {
    display: flex;
    align-items: flex-start;
    gap: var(--ds-space-3);
    flex-wrap: wrap;
    margin-bottom: var(--ds-space-5);
}

.kp-header__emoji {
    font-size: 40px;
    line-height: 1;
    flex-shrink: 0;
}

.kp-header__text {
    flex: 1;
    min-width: 200px;
}

.kp-header__title {
    font-size: clamp(22px, 3.5vw, 30px);
    font-weight: 700;
    letter-spacing: -0.01em;
    margin: 0;
    line-height: 1.2;
    color: var(--ds-text);
}

.kp-header__desc {
    color: var(--ds-text-soft);
    margin: var(--ds-space-1) 0 0;
    font-size: var(--ds-fs-md);
    line-height: 1.5;
}

.kp-header__meta {
    display: flex;
    gap: var(--ds-space-2);
    flex-wrap: wrap;
    align-self: center;
}

/* Badges */
.kp-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: var(--ds-radius-pill);
    background: var(--ds-bg-soft);
    color: var(--ds-text-soft);
    font-size: var(--ds-fs-xs);
    font-weight: 600;
    white-space: nowrap;
}

.kp-badge--accent {
    background: var(--ds-accent-soft);
    color: var(--ds-accent);
}

/* Content */
.kp-content {
    background: var(--ds-bg-page);
    border-radius: var(--ds-radius-lg) var(--ds-radius-lg) 0 0;
    padding: var(--ds-space-5) 0 var(--ds-space-7);
    margin-top: var(--ds-space-5);
}

.kp-subcats {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--ds-space-3);
    margin-bottom: var(--ds-space-5);
}

.kp-pages {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--ds-space-3);
}

.kp-empty {
    text-align: center;
    padding: var(--ds-space-7) var(--ds-space-4);
}

.kp-empty__icon {
    font-size: 48px;
    margin-bottom: var(--ds-space-3);
    opacity: 0.5;
}

.kp-empty p {
    color: var(--ds-text-soft);
    margin: 0 0 var(--ds-space-4);
    font-size: var(--ds-fs-md);
}

/* ════════════════════════════════════════════════════════════
   .ki-tile — subcategory tile (used on both pages)
   ════════════════════════════════════════════════════════════ */

.ki-tile {
    display: flex;
    align-items: center;
    gap: var(--ds-space-3);
    padding: var(--ds-space-4) var(--ds-space-5);
    border-radius: var(--ds-radius-md);
    background: var(--ds-bg-card);
    border: 1px solid var(--ds-border);
    text-decoration: none;
    color: var(--ds-text);
    transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
    cursor: pointer;
}

.ki-tile:hover {
    border-color: var(--ds-accent);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(var(--ds-accent-rgb), 0.12);
}

.ki-tile__icon {
    width: 52px;
    height: 52px;
    border-radius: var(--ds-radius-sm);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    background: var(--ds-accent-soft);
    color: var(--ds-accent);
}

.ki-tile__body {
    flex: 1;
    min-width: 0;
}

.ki-tile__name {
    display: block;
    font-size: var(--ds-fs-md);
    font-weight: 600;
    margin-bottom: 2px;
    color: var(--ds-text);
}

.ki-tile__desc {
    display: block;
    font-size: var(--ds-fs-sm);
    color: var(--ds-text-soft);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ki-tile__meta {
    display: block;
    font-size: var(--ds-fs-xs);
    color: var(--ds-text-muted);
    margin-top: 3px;
}

.ki-tile__arrow {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--ds-bg-soft);
    color: var(--ds-text-muted);
    transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.ki-tile:hover .ki-tile__arrow {
    background: var(--ds-accent);
    color: var(--ds-accent-text);
    transform: translateX(2px);
}

/* Overlay previews inside subcategory tile (when overlays available) */
.ki-tile__previews {
    display: flex;
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    position: relative;
}

.ki-tile__ov {
    width: 32px;
    height: 32px;
    border-radius: var(--ds-radius-xs);
    object-fit: contain;
    border: 2px solid var(--ds-bg-card);
    position: absolute;
    background: var(--ds-bg-soft);
    background-image:
        linear-gradient(45deg, rgba(15, 23, 42, 0.06) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(15, 23, 42, 0.06) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, rgba(15, 23, 42, 0.06) 75%),
        linear-gradient(-45deg, transparent 75%, rgba(15, 23, 42, 0.06) 75%);
    background-size: 6px 6px;
    background-position: 0 0, 0 3px, 3px -3px, -3px 0;
    transition: transform 0.18s ease;
}

.ki-tile__ov:nth-child(1) { top: 0;    left: 0;    z-index: 4; }
.ki-tile__ov:nth-child(2) { top: 2px;  left: 14px; z-index: 3; }
.ki-tile__ov:nth-child(3) { top: 18px; left: 2px;  z-index: 2; }
.ki-tile__ov:nth-child(4) { top: 18px; left: 16px; z-index: 1; }

.ki-tile:hover .ki-tile__ov:nth-child(1) { transform: translate(-2px, -2px) scale(1.08); }
.ki-tile:hover .ki-tile__ov:nth-child(2) { transform: translate(2px, -2px)  scale(1.08); }
.ki-tile:hover .ki-tile__ov:nth-child(3) { transform: translate(-2px, 2px)  scale(1.08); }
.ki-tile:hover .ki-tile__ov:nth-child(4) { transform: translate(2px, 2px)   scale(1.08); }

/* ════════════════════════════════════════════════════════════
   .ki-card — page card (with overlay hover slide)
   ════════════════════════════════════════════════════════════ */

.ki-card {
    display: flex;
    flex-direction: column;
    border-radius: var(--ds-radius-md);
    overflow: hidden;
    background: var(--ds-bg-card);
    border: 1px solid var(--ds-border);
    text-decoration: none;
    color: var(--ds-text);
    transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
    cursor: pointer;
}

.ki-card:hover {
    border-color: var(--ds-accent);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(var(--ds-accent-rgb), 0.14);
}

.ki-card__preview {
    position: relative;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background: var(--ds-accent-soft);
}

.ki-card__avatar,
.ki-card__ov {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ki-card__ov--b { transform: translateX(100%); }

.ki-card__body {
    padding: var(--ds-space-2) var(--ds-space-3) var(--ds-space-3);
    text-align: center;
}

.ki-card__name {
    display: block;
    font-size: var(--ds-fs-sm);
    font-weight: 600;
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--ds-text);
}

.ki-card__count {
    display: block;
    font-size: var(--ds-fs-xs);
    color: var(--ds-text-muted);
    margin-top: 2px;
}

/* Coming-soon variant */
.ki-card--coming-soon { cursor: default; position: relative; }
.ki-card--coming-soon .ki-card__preview { filter: blur(5px) saturate(0.3); opacity: 0.45; }
.ki-card--coming-soon .ki-card__body    { opacity: 0.55; }

.ki-card__soon {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--ds-fs-xs);
    font-weight: 700;
    color: var(--ds-accent);
    text-transform: uppercase;
    letter-spacing: 0.4px;
    z-index: 3;
    text-shadow: 0 1px 6px rgba(255, 255, 255, 0.8);
    pointer-events: none;
}

/* ════════════════════════════════════════════════════════════
   Dark theme
   ════════════════════════════════════════════════════════════ */

[data-theme="dark"] .kp-bc__cur,
[data-theme="dark"] .kp-bc a:hover,
[data-theme="dark"] .kp-header__title,
[data-theme="dark"] .ki-tile__name,
[data-theme="dark"] .ki-card__name { color: var(--ds-text); }

[data-theme="dark"] .cat-idx__cta {
    background: #050816;
}

[data-theme="dark"] .ki-card__soon {
    text-shadow: 0 1px 6px rgba(0, 0, 0, 0.6);
}

[data-theme="dark"] .ki-tile__ov {
    border-color: var(--ds-bg-card);
}

/* ════════════════════════════════════════════════════════════
   Responsive
   ════════════════════════════════════════════════════════════ */

@media (max-width: 740px) {
    .cat-idx__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .kp-subcats { grid-template-columns: 1fr; }
    .kp-pages   { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }
    .kp-header__meta { width: 100%; }
    .cat-idx__hero { padding: var(--ds-space-7) var(--ds-space-4) var(--ds-space-6); }
}

@media (max-width: 480px) {
    .cat-idx__grid { grid-template-columns: 1fr; }
}