/* Educational Page Layout with Sidebar */

.learn-layout {
    display: flex;
    gap: var(--spacing-lg);
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-md);
}

.sidebar {
    width: 280px;
    flex-shrink: 0;
    position: sticky;
    top: 80px;
    height: fit-content;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
}

.sidebar-nav {
    background-color: var(--color-surface);
    border-radius: 8px;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(47, 79, 79, 0.1);
}

.sidebar-nav__title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin: 0 0 var(--spacing-md) 0;
    color: var(--color-primary);
    border-bottom: 2px solid var(--color-secondary);
    padding-bottom: var(--spacing-xs);
}

.sidebar-nav__section {
    margin-bottom: var(--spacing-md);
}

.sidebar-nav__heading {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-accent);
    margin: 0 0 var(--spacing-xs) 0;
    font-weight: 600;
}

.sidebar-nav__link {
    display: block;
    padding: 0.5rem 0.75rem;
    margin: 0.25rem 0;
    border-radius: 4px;
    color: var(--color-text);
    font-size: 0.95rem;
    transition: background-color var(--transition-speed), color var(--transition-speed), padding-left var(--transition-speed);
    border-left: 3px solid transparent;
}

.sidebar-nav__link:hover,
.sidebar-nav__link:focus-visible {
    background-color: rgba(139, 69, 19, 0.08);
    color: var(--color-primary);
    padding-left: 1rem;
    border-left-color: var(--color-secondary);
}

.sidebar-nav__link.active {
    background-color: rgba(139, 69, 19, 0.12);
    color: var(--color-primary);
    font-weight: 600;
    border-left-color: var(--color-primary);
}

.learn-content {
    flex: 1;
    min-width: 0;
}

.container-narrow {
    max-width: 900px;
}

.chaldean-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
}

.chaldean-grid > div {
    background-color: rgba(75, 0, 130, 0.05);
    padding: var(--spacing-xs);
    border-radius: 4px;
    border-left: 3px solid var(--color-secondary);
}

/* Smooth scroll offset for anchor links */
html {
    scroll-padding-top: 100px;
}

/* Mobile responsive */
@media (max-width: 968px) {
    .learn-layout {
        flex-direction: column;
        padding: var(--spacing-sm);
    }

    .sidebar {
        width: 100%;
        position: static;
        max-height: none;
        margin-bottom: var(--spacing-md);
    }

    .sidebar-nav {
        max-height: 400px;
        overflow-y: auto;
    }
}

/* Tablet */
@media (max-width: 768px) {
    .sidebar-nav__section {
        margin-bottom: var(--spacing-sm);
    }

    .sidebar-nav__link {
        font-size: 0.9rem;
        padding: 0.4rem 0.6rem;
    }
}

/* Number cards styling for learn page */
#numbers-guide .card {
    margin-bottom: var(--spacing-sm);
}

#numbers-guide h3 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    margin-top: 0;
}

/* Scrollbar styling for sidebar */
.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb {
    background: var(--color-secondary);
    border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}