/* ─────────────────────────────────────────────────────────────────────────
   AISearchLab — AI News Frontend v2.0
   Matches main site design: Switzer display, Inter body, black/white minimal
──────────────────────────────────────────────────────────────────────────── */

/* ── Fonts (loaded inline via shortcode, but also declared here as fallback) ── */
@import url('https://api.fontshare.com/v2/css?f[]=switzer@400,500,600,700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');

/* ── Design Tokens ── */
:root {
    --aisl-pub-bg:      #ffffff;
    --aisl-pub-surface: #fafafa;
    --aisl-pub-text:    #0a0a0a;
    --aisl-pub-muted:   #666666;
    --aisl-pub-border:  #e0e0e0;
    --aisl-pub-radius:  3px;
    --aisl-pub-font-display: 'Switzer', 'Inter', -apple-system, sans-serif;
    --aisl-pub-font-body:    'Inter', -apple-system, sans-serif;
}

[data-theme='dark'] {
    --aisl-pub-bg:      #080808;
    --aisl-pub-surface: #111111;
    --aisl-pub-text:    #f0f0f0;
    --aisl-pub-muted:   #888888;
    --aisl-pub-border:  #222222;
}

/* ── Section wrapper ── */
.aisl-news-section {
    width: 100%;
    padding: 72px 0 80px;
    font-family: var(--aisl-pub-font-body);
    color: var(--aisl-pub-text);
}

/* ── Inner container (matches main site max-width) ── */
.aisl-news-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ── Hero label + heading ── */
.aisl-news-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--aisl-pub-muted);
    border: 1px solid var(--aisl-pub-border);
    padding: 4px 12px;
    border-radius: 99px;
    margin-bottom: 18px;
}
.aisl-news-eyebrow::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--aisl-pub-text);
    display: inline-block;
}

.aisl-news-heading {
    font-family: var(--aisl-pub-font-display);
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.05;
    color: var(--aisl-pub-text);
    margin: 0 0 10px;
}

.aisl-news-subheading {
    font-size: 15px;
    color: var(--aisl-pub-muted);
    line-height: 1.6;
    margin: 0 0 48px;
    max-width: 520px;
}

/* ── Section divider ── */
.aisl-news-divider {
    width: 100%;
    height: 1px;
    background: var(--aisl-pub-border);
    margin-bottom: 40px;
}

/* ── Grid ── */
.aisl-news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--aisl-pub-border);
    border: 1px solid var(--aisl-pub-border);
}

.aisl-news-section.aisl-news--list .aisl-news-grid {
    grid-template-columns: 1fr;
}

/* ── Card ── */
.aisl-news-card {
    background: var(--aisl-pub-bg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    transition: background .15s;
}
.aisl-news-card:hover {
    background: var(--aisl-pub-surface);
}

/* Thumbnail */
.aisl-news-card__thumb {
    display: block;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--aisl-pub-surface);
}
.aisl-news-card__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .4s ease;
}
.aisl-news-card:hover .aisl-news-card__thumb img {
    transform: scale(1.03);
}
.aisl-news-card__no-thumb {
    aspect-ratio: 16 / 9;
    background: var(--aisl-pub-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--aisl-pub-border);
}
.aisl-news-card__no-thumb svg {
    opacity: .25;
}

/* Body */
.aisl-news-card__body {
    padding: 20px 22px 22px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* Meta row */
.aisl-news-card__meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    color: var(--aisl-pub-muted);
    letter-spacing: 0.02em;
}
.aisl-news-card__tag {
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--aisl-pub-bg);
    background: var(--aisl-pub-text);
    padding: 2px 7px;
    border-radius: 2px;
}
.aisl-news-card__sep {
    color: var(--aisl-pub-border);
}

/* Title */
.aisl-news-card__title {
    font-family: var(--aisl-pub-font-display);
    font-size: 16px;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.3;
    margin: 0;
}
.aisl-news-card__title a {
    color: var(--aisl-pub-text);
    text-decoration: none;
}
.aisl-news-card__title a:hover {
    opacity: .7;
}

/* Excerpt */
.aisl-news-card__excerpt {
    font-size: 13px;
    color: var(--aisl-pub-muted);
    line-height: 1.65;
    margin: 0;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Footer */
.aisl-news-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 14px;
    margin-top: auto;
    border-top: 1px solid var(--aisl-pub-border);
    gap: 10px;
}
.aisl-news-card__read-more {
    font-size: 12px;
    font-weight: 600;
    color: var(--aisl-pub-text);
    text-decoration: none;
    letter-spacing: 0.03em;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: gap .15s;
}
.aisl-news-card__read-more:hover { gap: 8px; }
.aisl-news-card__source {
    font-size: 11px;
    color: var(--aisl-pub-muted);
    text-decoration: none;
    opacity: .6;
    letter-spacing: 0.02em;
}
.aisl-news-card__source:hover { opacity: 1; }

/* ── List layout ── */
.aisl-news--list .aisl-news-card {
    flex-direction: row;
    align-items: stretch;
}
.aisl-news--list .aisl-news-card__thumb {
    width: 200px;
    min-width: 200px;
    aspect-ratio: auto;
}
.aisl-news--list .aisl-news-card__no-thumb { display: none; }
.aisl-news--list .aisl-news-card__title { font-size: 17px; }

/* ── Empty state ── */
.aisl-news-empty {
    grid-column: 1 / -1;
    padding: 60px 20px;
    text-align: center;
    color: var(--aisl-pub-muted);
    font-size: 14px;
    background: var(--aisl-pub-bg);
}
.aisl-news-empty strong { color: var(--aisl-pub-text); }

/* ── Footer strip ── */
.aisl-news-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 28px;
    margin-top: 28px;
    border-top: 1px solid var(--aisl-pub-border);
    font-size: 11px;
    color: var(--aisl-pub-muted);
    letter-spacing: 0.04em;
}
.aisl-news-footer a {
    color: var(--aisl-pub-text);
    text-decoration: none;
    font-weight: 600;
}
.aisl-news-footer a:hover { opacity: .7; }
.aisl-news-powered {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--aisl-pub-muted);
}

/* ── Responsive ── */
@media (max-width: 900px) {
    .aisl-news-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .aisl-news-section { padding: 48px 0 56px; }
    .aisl-news-grid { grid-template-columns: 1fr; }
    .aisl-news--list .aisl-news-card { flex-direction: column; }
    .aisl-news--list .aisl-news-card__thumb { width: 100%; aspect-ratio: 16/9; }
    .aisl-news-footer { flex-direction: column; gap: 8px; text-align: center; }
}