/* Index Page Styles */
.index-tabs {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-top: var(--spacing-md);
}

.tab-btn {
    padding: 0.75rem 2rem;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: var(--transition);
}

.tab-btn:hover,
.tab-btn.active {
    background: white;
    color: var(--primary);
}

.search-section {
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--bg-secondary);
}

.search-box {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.search-box i {
    position: absolute;
    left: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 1.2rem;
}

.search-box input {
    width: 100%;
    padding: 1rem 1rem 1rem 3.5rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-full);
    font-size: 1rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
}

.index-content {
    padding: var(--spacing-xl) var(--spacing-md);
}

.alphabet-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: var(--spacing-xl);
}

.letter-btn {
    width: 45px;
    height: 45px;
    border: 2px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.letter-btn:hover,
.letter-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.index-grid {
    max-width: 900px;
    margin: 0 auto;
}

.index-section {
    margin-bottom: var(--spacing-xl);
}

.letter-header {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 3px solid var(--primary);
    font-family: var(--font-primary);
}

.term-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.term-item {
    background: var(--bg-secondary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: var(--spacing-md);
    align-items: center;
    transition: var(--transition);
}

.term-item:hover {
    background: var(--bg-tertiary);
    transform: translateX(5px);
}

.term-fr {
    font-weight: 600;
    color: var(--text-primary);
}

.term-en {
    color: var(--primary);
    font-weight: 500;
}

.term-link {
    color: var(--secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.term-link:hover {
    color: var(--primary);
}

@media (max-width: 768px) {
    .term-item {
        grid-template-columns: 1fr;
        text-align: center;
    }
}