/* css/eduro_library.css */
/* All classes are prefixed with 'bl-' to avoid conflicts. */

:root {
    --bl-card-padding: 0.2rem 0.4rem;
}

/* General Layout */
.bl-library-container {
    width: 100%;
    max-width: 920px;
    margin: 0 auto;
    padding: 0.5rem;
}

.hidden {
    display: none !important;
}

/* Category Selector View */
#bl-category-selector {
    text-align: center;
}

.bl-category-buttons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.75rem;
}

.bl-category-btn {
    background-color: var(--card-background);
    color: var(--primary-color);
    border: 1px solid var(--border-color);
    padding: 1.2rem 1rem;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.bl-category-btn:hover {
    background-color: var(--primary-color);
    color: #fff;
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

/* --- Compact Header --- */
.bl-header {
    display: grid;
    grid-template-areas:
        "back title ."
        ".    toggle .";
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

#bl-current-category-title {
    grid-area: title;
    font-size: clamp(1.3rem, 4vw, 1.6rem);
    margin: 0;
    color: var(--text-primary);
    text-align: center;
    font-weight: 600;
}

.bl-back-button {
    grid-area: back;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: none;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.bl-back-button:hover {
    background-color: #f0f2f5;
}

/* Level Toggle (Taso) */
.bl-taso-toggle {
    grid-area: toggle;
    justify-self: center;
    display: flex;
    background-color: #f0f2f5;
    border-radius: var(--border-radius);
    padding: 5px;
    border: 1px solid var(--border-color);
}

.bl-taso-toggle input[type="radio"] {
    display: none;
}

.bl-taso-toggle label {
    padding: 0.7rem 1.3rem;
    cursor: pointer;
    transition: all 0.2s;
    border-radius: 6px;
    font-size: 1.0rem;
    font-weight: 500;
}

.bl-taso-toggle input[type="radio"]:checked + label {
    background-color: var(--primary-color);
    color: #fff;
    box-shadow: var(--shadow-sm);
}

/* Badge List Styles */
#bl-badgeSelectionLibrary {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.bl-introduction-badges,
.bl-cross-cutting-badges,
.bl-subcategory {
    background-color: #f7f9fa;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-top: 1rem;
}

.bl-introduction-badges .bl-badges-container {
    gap: 0.75rem;
}

.bl-subcategory-header h3 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    margin-top: 0;
}

.bl-badges-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 0.75rem;
}

/* Compact Badge Item */
.bl-badge-view {
    display: block;
    text-decoration: none;
    color: inherit;
    background-color: transparent;
    border: none;
    box-shadow: none;
    transition: transform 0.2s ease, background-color 0.2s ease;
    padding: 16px 8px;
    border-radius: 6px;
}

.bl-badge-view:hover {
    transform: translateY(-2px);
    background-color: #e9ecef;
}

.bl-badge-view .bl-badge-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
}

.bl-badge-view .bl-badge-content img {
    width: 70px;
    height: 70px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
}

.bl-badge-view .bl-badge-content p {
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    font-size: 1.0rem;
    line-height: 1.3;
    white-space: normal;
}

/* --- MOBILE RESPONSIVENESS --- */
@media (max-width: 768px) {
    /* MODIFIED: Set container width to 90% on mobile */
    .bl-library-container {
        width: 90%;
    }

    .bl-header {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    #bl-current-category-title {
        order: 1;
    }

    .bl-taso-toggle {
        order: 2;
    }
    
    .bl-back-button {
        order: 3;
        margin-top: 0.5rem;
    }

    .bl-category-buttons-grid,
    .bl-badges-container {
        grid-template-columns: 1fr;
    }

    .bl-introduction-badges,
    .bl-cross-cutting-badges,
    .bl-subcategory {
        padding: 0.75rem;
    }
}