/* content.php 列表区块 — 主题色来自 lib/_themes.php (:root CSS 变量) */

.content-related,
.content-board {
    margin: 28px 0 0;
}

.content-related > h2,
.content-board > h2 {
    position: relative;
    margin: 0 0 14px;
    padding-left: 12px;
    font-size: clamp(1.1rem, 2.2vw, 1.3rem);
    font-weight: 800;
    line-height: 1.35;
    letter-spacing: -0.02em;
    color: var(--accent-deep);
}

.content-related > h2::before,
.content-board > h2::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.16em;
    bottom: 0.16em;
    width: 4px;
    border-radius: 2px;
    background: var(--h3-border, var(--accent));
}

.content-board > h2 a {
    color: inherit;
    text-decoration: none;
}

.content-board > h2 a:hover {
    color: var(--accent);
}

.content-related-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.content-board-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

.content-related-grid a,
.content-board-grid a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-width: 0;
    padding: 14px 16px;
    background: var(--surface, var(--bg, #fff));
    border: 1px solid var(--line);
    border-radius: var(--radius-sm, 12px);
    box-shadow: var(--shadow-sm, 0 1px 2px rgba(0, 0, 0, 0.03));
    color: inherit;
    text-decoration: none;
    transition:
        border-color var(--ease, 0.25s ease),
        box-shadow var(--ease, 0.25s ease),
        background var(--ease, 0.25s ease),
        transform var(--ease, 0.25s ease);
}

.content-related-grid a:hover,
.content-board-grid a:hover {
    color: inherit;
    background: var(--accent-soft);
    border-color: rgba(var(--shadow-rgb), 0.22);
    box-shadow: 0 4px 16px rgba(var(--shadow-rgb), 0.08);
    transform: translateY(-1px);
}

.content-related-grid strong,
.content-board-grid strong {
    flex: 1;
    min-width: 0;
    font-size: 0.92rem;
    font-weight: 800;
    line-height: 1.45;
    color: var(--ink, #0f172a);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.content-related-grid a:hover strong,
.content-board-grid a:hover strong {
    color: var(--accent-deep);
}

.content-related-grid span {
    flex-shrink: 0;
    width: 1.5em;
    height: 1.5em;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    font-size: 0.78rem;
    line-height: 1;
    color: var(--tag-color, var(--accent-deep));
    background: var(--tag-bg, var(--accent-soft));
    border: 1px solid var(--tag-border, var(--line));
}

.content-related-grid span::before {
    content: "→";
}

.content-related-grid a:hover span {
    color: var(--on-accent, #fff);
    background: var(--accent);
    border-color: var(--accent);
}

@media (max-width: 640px) {
    .content-related,
    .content-board {
        margin-top: 20px;
    }

    .content-related > h2,
    .content-board > h2 {
        font-size: 1.1rem;
        margin-bottom: 12px;
    }

    .content-related-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .content-board-grid {
        gap: 10px;
    }

    .content-related-grid a,
    .content-board-grid a {
        padding: 14px 12px;
    }
}