/* Control Loops hub — quiet field, wide cards, lesson peeks. */

body.cl-hub {
    background-color: #eef1f4;
    background-image: none;
}

body.cl-hub .ai-header {
    margin: 0;
    border-radius: 0;
    padding: 8px 18px;
}

.cl-hub-crumb {
    max-width: 1100px;
    margin: 0 auto;
    padding: 14px 20px 0;
    font-size: 0.88rem;
}

.cl-hub-crumb a { color: var(--ai-blue-600); font-weight: 600; }

.cl-hub-hero {
    max-width: 720px;
    margin: 0 auto;
    padding: 28px 20px 12px;
    text-align: center;
}

.cl-hub-badge {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 999px;
    background: #dbeafe;
    color: #1d4ed8;
    margin-bottom: 10px;
}

.cl-hub-hero h1 {
    margin: 0 0 10px;
    color: var(--ai-blue-800);
    font-size: 2rem;
}

.cl-hub-hero p {
    margin: 0;
    color: var(--ai-gray-700);
    line-height: 1.55;
}

.cl-hub-cta {
    text-align: center;
    margin: 8px 0 22px;
}

.cl-hub-body {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px 48px;
}

.cl-lesson-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.cl-lesson {
    display: grid;
    grid-template-columns: 120px 2rem 1fr auto;
    gap: 12px 14px;
    align-items: center;
    padding: 10px 14px;
    background: #fff;
    border: 1px solid var(--ai-gray-200);
    border-radius: var(--ai-radius-md);
    box-shadow: var(--ai-shadow-sm);
    text-decoration: none;
    color: inherit;
}

a.cl-lesson:hover { border-color: #93c5fd; }

.cl-lesson-thumb {
    width: 120px;
    height: 72px;
    border-radius: 6px;
    background: #f8fafc;
    border: 1px solid var(--ai-gray-200);
    overflow: hidden;
    flex-shrink: 0;
}

.cl-lesson-thumb svg,
.cl-lesson-thumb img {
    display: block;
    width: 100%;
    height: 100%;
}

.cl-lesson-part {
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--ai-blue-700);
    background: #eff6ff;
    border-radius: 999px;
}

.cl-lesson-body h3 {
    margin: 0 0 3px;
    font-size: 1rem;
    color: var(--ai-blue-800);
}

.cl-lesson-tag {
    margin: 0;
    font-size: 0.85rem;
    color: var(--ai-gray-600);
    line-height: 1.4;
}

.cl-lesson-badge {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 3px 8px;
    border-radius: 999px;
    background: #dcfce7;
    color: #166534;
}

.cl-section-note {
    margin: 28px 0 12px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--ai-gray-500);
}

.cl-planned {
    opacity: 0.85;
    pointer-events: none;
}

.cl-planned .cl-lesson-badge {
    background: #f1f5f9;
    color: #475569;
}

.cl-later {
    margin-top: 36px;
    padding: 18px 20px;
    background: #fff;
    border: 1px dashed var(--ai-gray-300);
    border-radius: var(--ai-radius-lg);
    font-size: 0.88rem;
    color: var(--ai-gray-600);
    line-height: 1.5;
}

.cl-later h2 { margin: 0 0 8px; font-size: 1rem; color: var(--ai-gray-700); }

@media (max-width: 720px) {
    .cl-lesson {
        grid-template-columns: 2rem 1fr auto;
    }
    .cl-lesson-thumb { display: none; }
}