/**
 * @file
 * Topics Grid Component
 * 
 * A responsive grid for displaying topic cards with gradient line backgrounds.
 * Automatically adjusts columns based on number of items to ensure full rows.
 * 
 * USAGE:
 * ------
 * Wrap the grid in .topics-grid-container with a gradient class from gradients.css.
 * Each topic card uses .topics-grid-card with .topics-grid-card-inner.
 * 
 * GRADIENT BACKGROUNDS:
 * ---------------------
 * Add any gradient class from gradients.css to the .topics-grid-container element.
 * Example: <div class="topics-grid-container gradient-smaragd-aquamarin">
 * 
 * OVERLAY:
 * --------
 * Add .topics-grid-overlay-white for a transparent white overlay.
 * Example: <div class="topics-grid-container gradient-smaragd-aquamarin topics-grid-overlay-white">
 */

/* ==========================================================================
   TOPICS GRID - Container
   ========================================================================== */

.topics-grid-container {
    width: 100%;
    box-sizing: border-box;
    position: relative;
    padding: 0.5rem;
    border-radius: 8px;
    overflow: hidden;
}

/* Optional white overlay */
.topics-grid-container.topics-grid-overlay-white::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.25);
    pointer-events: none;
    z-index: 1;
    border-radius: 8px;
}

/* ==========================================================================
   TOPICS GRID - Grid Layout
   ========================================================================== */

.topics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
    width: 100%;
    position: relative;
    z-index: 2;
}

/* Column variants set by JavaScript */
.topics-grid.topics-grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

.topics-grid.topics-grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

.topics-grid.topics-grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 768px) {
    .topics-grid,
    .topics-grid.topics-grid-cols-3,
    .topics-grid.topics-grid-cols-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .topics-grid,
    .topics-grid.topics-grid-cols-2,
    .topics-grid.topics-grid-cols-3,
    .topics-grid.topics-grid-cols-4 {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   TOPICS GRID - Individual Card
   ========================================================================== */

.topics-grid-card {
    box-sizing: border-box;
}

.topics-grid-card-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100px;
    height: 100%;
    padding: 1rem;
    background: white;
    border-radius: 4px;
    box-sizing: border-box;
}

/* ==========================================================================
   TOPICS GRID - Title Styling
   ========================================================================== */

.topics-grid-title {
    color: #374151;
    font-family: Figtree, sans-serif;
    font-weight: 500;
    line-height: 1.3;
    margin: 0;
    text-align: center;
    word-wrap: break-word;
    overflow-wrap: break-word;
    letter-spacing: normal;
    text-transform: none;
}