/*
 * Program Listing — shared component
 * Used by center/program-listing and center/certificate-listing blocks.
 * Design: alternating warm bands per group, centered items, content-width.
 */

.program-listing {
    width: min(var(--max-width-content), 100% - 2 * var(--site-padding));
    margin-inline: auto;
    margin-block: 0;
    padding-block: var(--section-padding);
}

/* Group heading — left-aligned, generous space below */

.program-listing__group-heading {
    margin: 0;
    margin-block-end: var(--space-8);
}

.program-listing__group-heading:not(:first-child) {
    margin-block-start: var(--space-16);
}

/* Group wrapper — resets alternating backgrounds per group */

.program-listing__group {
    display: flex;
    flex-direction: column;
}

/* Individual program item */

.program-listing__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-10) var(--space-8);
    text-align: center;
}

.program-listing__group .program-listing__item:nth-child(odd) {
    background: var(--color-neutral-warm-light);
}

/* Title */

.program-listing__title {
    margin: 0;
    margin-block-end: var(--space-4);
}

.program-listing__title a {
    color: var(--color-blue-dark);
    text-decoration-line: none;
}

.program-listing__title a:hover {
    text-decoration-line: underline;
    color: var(--color-berkeley-blue);
}

/* Open for applications badge */

.program-listing__badge {
    order: -1;
    font-size: var(--text-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    color: var(--color-berkeley-blue);
    background: var(--color-cream);
    padding: var(--space-1) var(--space-4);
    border-radius: 999px;
    margin: 0;
    margin-block-end: var(--space-3);
}

/* Past Programs — compact left-aligned list with keyline separators */

.program-listing__group--past .program-listing__item,
.program-listing__group--past .program-listing__item:nth-child(odd) {
    align-items: flex-start;
    text-align: left;
    padding: var(--space-6) 0;
    border-block-end: 1px solid var(--color-neutral-warm-medium);
    background: var(--color-white);
}

/* Match the parent section's background so items stay visually integrated
 * but expose an explicit, detectable background for a11y contrast tools. */
.section-block--warm .program-listing__group--past .program-listing__item,
.section-block--warm .program-listing__group--past .program-listing__item:nth-child(odd) {
    background: var(--color-neutral-warm-light);
}

.section-block--cream .program-listing__group--past .program-listing__item,
.section-block--cream .program-listing__group--past .program-listing__item:nth-child(odd) {
    background: var(--color-cream);
}

.program-listing__group--past .program-listing__item:first-child {
    padding-block-start: 0;
}

.program-listing__group--past .program-listing__item:last-child {
    border-block-end: none;
    padding-block-end: 0;
}

.program-listing__group--past .program-listing__title {
    margin: 0 0 var(--space-1);
}

.program-listing__group--past .program-listing__desc {
    margin: 0;
}

/* Description */

.program-listing__desc {
    --max-width-text: 90ch;
    color: var(--color-neutral-warm-dark);
    max-width: var(--max-width-text);
    margin: 0 auto var(--space-5);
}

@media (min-width: 601px) {
    .program-listing__desc {
        font-size: var(--text-medium);
    }
}