/* Theme Selection Buttons */
.theme-buttons-section {
    margin-bottom: 1.5rem;
    width: 100%;
}

.theme-selection-note {
    text-align: center;
    color: var(--text-secondary);
    font-size: 16px;
    font-weight: 500;
    margin: 0 0 1rem 0;
    opacity: 0.9;
}

.theme-buttons-container {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    max-width: 600px;
    margin: 0 auto;
}

.theme-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 80px;
    height: 80px;
    padding: 0.5rem;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    text-shadow: var(--button-text-shadow);
}

.theme-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px var(--shadow-color);
    border-color: var(--primary-color);
}

.theme-btn:active {
    transform: translateY(-1px) scale(1.02);
}

.theme-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 8px 25px var(--shadow-color);
}

/* Special styling for monochrome theme button when active */
.theme-btn[data-theme="monochrome"].active {
    background: #666666;
    color: white;
    border-color: #666666;
    box-shadow: 0 8px 25px rgba(102, 102, 102, 0.4);
}

.theme-icon {
    font-size: 24px;
    display: block;
    text-shadow: 
        0 2px 4px rgba(0, 0, 0, 0.6),
        0 1px 2px rgba(0, 0, 0, 0.8),
        0 4px 8px rgba(0, 0, 0, 0.4);
}

.theme-name {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-shadow: 
        0 2px 4px rgba(0, 0, 0, 0.6),
        0 1px 2px rgba(0, 0, 0, 0.8),
        0 4px 8px rgba(0, 0, 0, 0.4);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .theme-buttons-container {
        gap: 0.75rem;
    }
    
    .theme-btn {
        width: 70px;
        height: 70px;
        padding: 0.5rem;
    }
    
    .theme-icon {
        font-size: 20px;
    }
    
    .theme-name {
        font-size: 11px;
    }
}

@media (max-width: 480px) {
    .theme-buttons-container {
        gap: 0.5rem;
    }
    
    .theme-btn {
        width: 60px;
        height: 60px;
        padding: 0.25rem;
    }
    
    .theme-icon {
        font-size: 18px;
    }
    
    .theme-name {
        font-size: 10px;
    }
}