/* FBISE Study Portal Core - frontend hierarchy styles
 * Loaded only on /class-.../ routes.
 * Mobile-first, theme-agnostic, no framework.
 */

.fbise-portal {
    max-width: 960px;
    margin: 0 auto;
    padding: 24px 16px;
    box-sizing: border-box;
}

.fbise-portal *,
.fbise-portal *::before,
.fbise-portal *::after { box-sizing: border-box; }

.fbise-breadcrumb {
    margin: 0 0 1rem;
    font-size: 0.95em;
    color: #555;
}
.fbise-breadcrumb p { margin: 0; }
.fbise-breadcrumb a {
    color: inherit;
    text-decoration: underline;
}
.fbise-breadcrumb a:hover,
.fbise-breadcrumb a:focus { text-decoration: none; }

.fbise-main { display: block; }

.fbise-eyebrow {
    margin: 0 0 0.25rem;
    color: #666;
    font-size: 0.95em;
}

.fbise-title {
    margin: 0 0 1rem;
    line-height: 1.2;
    font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2rem);
}

.fbise-section-title {
    margin: 1.5rem 0 0.75rem;
    font-size: 1.15rem;
}

.fbise-empty {
    margin: 1rem 0;
    color: #666;
}

/* ---------------- Card grid (subjects + content types) ---------------- */

.fbise-card-grid {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
}

.fbise-card {
    background: #fff;
    border: 1px solid #e2e2e2;
    border-radius: 6px;
    padding: 14px;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.fbise-card:hover,
.fbise-card:focus-within {
    border-color: #c9c9c9;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.fbise-card-link {
    display: block;
    font-weight: 600;
    color: inherit;
    text-decoration: none;
}
.fbise-card-link:hover,
.fbise-card-link:focus { text-decoration: underline; }

.fbise-content-card { display: flex; flex-direction: column; }

.fbise-card-title {
    display: block;
    font-weight: 600;
    margin-bottom: 0.25rem;
}
.fbise-card-desc {
    display: block;
    color: #666;
    font-size: 0.9em;
    margin-bottom: 0.5rem;
}
.fbise-card-status {
    display: inline-block;
    margin-top: auto;
    color: #888;
    font-size: 0.9em;
}

/* ---------------- Chapter list -------------------------------------- */

.fbise-chapter-list {
    margin: 0;
    padding-left: 1.2rem;
}
.fbise-chapter-item { margin: 0.4rem 0; }
.fbise-chapter-item a {
    color: inherit;
    text-decoration: underline;
}
.fbise-chapter-item a:hover,
.fbise-chapter-item a:focus { text-decoration: none; }

/* ---------------- Chapter description -------------------------------- */

.fbise-chapter-description {
    margin: 1rem 0 1.25rem;
    line-height: 1.6;
}

/* ---------------- Small screens -------------------------------------- */

@media (max-width: 480px) {
    .fbise-portal { padding: 16px 12px; }
    .fbise-card-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    .fbise-card { padding: 12px; }
}