/* PRISM-Q docs theme layer. Layered on top of the stock mdBook themes via
   `additional-css` in book.toml. Do not fork the base theme files. */

:root {
    --prism-accent: #6d4bd6;
    --prism-accent-soft: rgba(109, 75, 214, 0.12);
}

/* Accent links and active sidebar entry, scoped per built-in theme so the color
   reads against each background. */
.light,
.rust {
    --links: var(--prism-accent);
    --sidebar-active: var(--prism-accent);
}

.navy,
.coal,
.ayu {
    --links: #b49cf2;
    --sidebar-active: #b49cf2;
}

/* Landing hero */
.prism-hero {
    text-align: center;
    margin: 1.5rem 0 2rem;
}

.prism-hero h1 {
    margin-bottom: 0.25rem;
}

/* Feature card grid on the landing page */
.prism-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin: 1.75rem 0;
}

.prism-card {
    display: block;
    padding: 1rem 1.15rem;
    border: 1px solid var(--prism-accent-soft);
    border-left: 3px solid var(--prism-accent);
    border-radius: 6px;
    background: var(--prism-accent-soft);
    text-decoration: none !important;
    color: inherit;
    transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.prism-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
}

.prism-card-title {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--prism-accent);
}

.prism-card-body {
    display: block;
    font-size: 0.9rem;
    opacity: 0.85;
}

/* Keep embedded circuit SVGs within the content column and centered. */
.content img[src$=".svg"] {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 1rem auto;
}