/*
 * Sources Styles
 * Source cards, badges, references, attributions
 */

/* ==========================================================================
   Source Cards Grid
   ========================================================================== */

.source-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin: 1.5rem 0;
}

@media (max-width: 768px) {
    .source-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.source-card {
    background: var(--pico-card-background-color);
    border: 1px solid var(--pico-muted-border-color);
    border-radius: var(--pico-border-radius);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.source-card h3 {
    margin: 0;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.source-card .source-icon {
    font-size: 1.25rem;
    opacity: 0.8;
}

.source-card .source-summary {
    color: var(--pico-muted-color);
    font-size: 0.9rem;
    margin: 0;
    flex-grow: 1;
}

.source-card details {
    font-size: 0.85rem;
    margin-top: 0.5rem;
    border-top: 1px solid var(--pico-muted-border-color);
    padding-top: 0.5rem;
}

.source-card details summary {
    cursor: pointer;
    color: var(--pico-primary);
    font-size: 0.85rem;
}

.source-card details[open] summary {
    margin-bottom: 0.5rem;
}

.source-card details p {
    margin: 0.5rem 0;
    line-height: 1.6;
}

.source-card details a {
    word-break: break-word;
}

/* ==========================================================================
   Source Badge
   ========================================================================== */

.source-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    padding: 0.2rem 0.5rem;
    border-radius: var(--pico-border-radius);
    background: rgba(0, 128, 0, 0.15);
    color: #2e7d32;
}

[data-theme="dark"] .source-badge {
    background: rgba(76, 175, 80, 0.2);
    color: #81c784;
}

/* ==========================================================================
   Sources Notice (Collapsible)
   ========================================================================== */

.sources-notice {
    border: 1px solid var(--pico-muted-border-color);
    border-radius: var(--pico-border-radius);
    padding: 1rem 1.25rem;
    margin: 1.5rem 0;
    background: var(--pico-card-background-color);
}

.sources-notice summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--pico-muted-color);
}

.sources-notice[open] summary {
    margin-bottom: 0.75rem;
}

.sources-notice p {
    margin: 0.5rem 0;
    font-size: 0.9rem;
}

/* ==========================================================================
   Sources References
   ========================================================================== */

.sources-refs {
    display: block;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--pico-muted-border-color);
}

.sources-refs h2 {
    font-size: 1rem;
    color: var(--pico-muted-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.sources-refs ul {
    display: block;
    padding-left: 1.25rem;
    margin: 0;
    list-style: disc;
}

.sources-refs li {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.sources-refs a {
    overflow-wrap: anywhere;
}

@media (min-width: 768px) {
    .sources-refs ul {
        columns: 2;
        column-gap: 2rem;
    }

    .sources-refs li {
        break-inside: avoid;
    }
}