/*
 * UCT Languages - Frontend Styles
 * Theme-adaptive: inherits colors, fonts, and spacing from the active WordPress theme.
 * No hard-coded brand colors - uses CSS custom properties that fall back to theme values.
 */

/* ============================================
   CSS Custom Properties (Theme-Adaptive)
   These inherit from the theme's existing styles
   ============================================ */
.uct-languages-wrapper {
    --uct-primary: var(--wp--preset--color--primary, var(--wp--custom--color--primary, currentColor));
    --uct-primary-bg: var(--wp--preset--color--primary, var(--wp--custom--color--primary, #2563eb));
    --uct-primary-text: #fff;
    --uct-text: var(--wp--preset--color--foreground, var(--wp--custom--color--foreground, inherit));
    --uct-text-secondary: var(--wp--preset--color--secondary, var(--wp--custom--color--secondary, #6b7280));
    --uct-bg: var(--wp--preset--color--background, var(--wp--custom--color--background, #fff));
    --uct-border: var(--wp--preset--color--border, var(--wp--custom--color--border, #e5e7eb));
    --uct-card-bg: var(--wp--preset--color--card, var(--wp--custom--color--card, #fff));
    --uct-card-border: var(--wp--preset--color--border, var(--wp--custom--color--border, #e5e7eb));
    --uct-radius: var(--wp--custom--border-radius, 8px);
    --uct-font: var(--wp--preset--font-family--body, inherit);
    --uct-spacing: 1rem;

    font-family: var(--uct-font);
    color: var(--uct-text);
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* ============================================
   Header
   ============================================ */
.uct-languages-header {
    text-align: center;
    margin-bottom: 2rem;
}

.uct-languages-title {
    font-size: 2rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
    color: inherit;
    line-height: 1.2;
}

.uct-languages-subtitle {
    font-size: 1.1rem;
    color: var(--uct-text-secondary);
    margin: 0;
}

/* ============================================
   Search
   ============================================ */
.uct-languages-search {
    max-width: 500px;
    margin: 0 auto 1.5rem;
}

.uct-search-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--uct-border);
    border-radius: var(--uct-radius);
    font-size: 1rem;
    font-family: inherit;
    color: inherit;
    background: var(--uct-bg);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    outline: none;
    box-sizing: border-box;
}

.uct-search-input:focus {
    border-color: var(--uct-primary);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--uct-primary-bg, currentColor) 20%, transparent);
}

.uct-search-input::placeholder {
    color: var(--uct-text-secondary);
}

/* ============================================
   Region Tabs
   ============================================ */
.uct-languages-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 1.5rem;
    padding: 0;
}

.uct-tab {
    padding: 0.5rem 1rem;
    border: 1px solid var(--uct-border);
    border-radius: calc(var(--uct-radius) / 2);
    background: var(--uct-bg);
    color: var(--uct-text);
    font-size: 0.875rem;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    line-height: 1.4;
}

.uct-tab:hover {
    border-color: var(--uct-primary);
    color: var(--uct-primary);
}

.uct-tab.active {
    background: var(--uct-primary-bg);
    color: var(--uct-primary-text);
    border-color: var(--uct-primary-bg);
}

/* ============================================
   Summary
   ============================================ */
.uct-languages-summary {
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--uct-text-secondary);
    font-size: 0.9rem;
}

/* ============================================
   Language Cards Grid
   ============================================ */
.uct-languages-grid {
    display: grid;
    gap: 1.25rem;
}

.uct-columns-1 { grid-template-columns: 1fr; }
.uct-columns-2 { grid-template-columns: repeat(2, 1fr); }
.uct-columns-3 { grid-template-columns: repeat(3, 1fr); }
.uct-columns-4 { grid-template-columns: repeat(4, 1fr); }

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

@media (min-width: 769px) and (max-width: 1024px) {
    .uct-columns-3,
    .uct-columns-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ============================================
   Language Card
   ============================================ */
.uct-language-card {
    display: flex;
    flex-direction: column;
    padding: 1.25rem;
    border: 1px solid var(--uct-card-border);
    border-radius: var(--uct-radius);
    background: var(--uct-card-bg);
    text-decoration: none;
    color: inherit;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.uct-language-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border-color: var(--uct-primary);
}

.uct-language-card[href]:hover {
    cursor: pointer;
}

/* Card Style Variants */
.uct-languages-wrapper[data-card-style="minimal"] .uct-language-card {
    border: none;
    border-bottom: 1px solid var(--uct-border);
    border-radius: 0;
    padding: 1rem 0.5rem;
}

.uct-languages-wrapper[data-card-style="minimal"] .uct-language-card:hover {
    transform: none;
    box-shadow: none;
    border-bottom-color: var(--uct-primary);
}

.uct-languages-wrapper[data-card-style="elevated"] .uct-language-card {
    border: none;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
}

.uct-languages-wrapper[data-card-style="elevated"] .uct-language-card:hover {
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
}

/* Card Top (Flag + Popular) */
.uct-card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.uct-card-flag {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.uct-flag {
    font-size: 1.5rem;
    line-height: 1;
}

.uct-code {
    display: inline-block;
    padding: 0.15rem 0.4rem;
    border-radius: 3px;
    background: color-mix(in srgb, var(--uct-text) 8%, transparent);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--uct-text-secondary);
}

.uct-popular-badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 3px;
    background: #f59e0b;
    color: #fff;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* Region Label */
.uct-region-label {
    display: inline-block;
    padding: 0.1rem 0.5rem;
    border-radius: 3px;
    background: color-mix(in srgb, var(--uct-primary-bg) 10%, transparent);
    color: var(--uct-primary);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

/* Language Name */
.uct-language-name {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0 0 0.15rem;
    color: inherit;
}

.uct-native-name {
    display: block;
    font-size: 0.9rem;
    color: var(--uct-text-secondary);
    margin-bottom: 0.5rem;
}

/* Description */
.uct-description {
    font-size: 0.85rem;
    color: var(--uct-text-secondary);
    margin: 0 0 0.75rem;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Speakers */
.uct-speakers {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    margin-top: auto;
    padding-top: 0.75rem;
    border-top: 1px solid var(--uct-border);
    font-size: 0.8rem;
    color: var(--uct-text-secondary);
}

.uct-speaker-icon {
    flex-shrink: 0;
    opacity: 0.6;
}

/* ============================================
   No Results
   ============================================ */
.uct-no-results {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--uct-text-secondary);
}

.uct-no-results p {
    font-size: 1.1rem;
    margin: 0;
}

/* ============================================
   Load More
   ============================================ */
.uct-load-more {
    text-align: center;
    margin-top: 2rem;
}

.uct-load-more-btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    border: 1px solid var(--uct-border);
    border-radius: var(--uct-radius);
    background: var(--uct-bg);
    color: var(--uct-text);
    font-size: 0.95rem;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
}

.uct-load-more-btn:hover {
    border-color: var(--uct-primary);
    color: var(--uct-primary);
}

/* ============================================
   Hidden cards (for progressive reveal)
   ============================================ */
.uct-language-card.uct-hidden {
    display: none;
}

/* ============================================
   Animations
   ============================================ */
@keyframes uct-fade-in {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.uct-language-card.uct-fade-in {
    animation: uct-fade-in 0.3s ease forwards;
}

/* ============================================
   Responsive Adjustments
   ============================================ */
@media (max-width: 480px) {
    .uct-languages-wrapper {
        padding: 1rem 0.5rem;
    }

    .uct-languages-title {
        font-size: 1.5rem;
    }

    .uct-languages-tabs {
        gap: 0.35rem;
    }

    .uct-tab {
        padding: 0.4rem 0.75rem;
        font-size: 0.8rem;
    }

    .uct-language-card {
        padding: 1rem;
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .uct-languages-search,
    .uct-languages-tabs,
    .uct-load-more {
        display: none;
    }

    .uct-languages-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }

    .uct-language-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }
}