.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-bg-card);
    color: var(--color-text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    padding: var(--spacing-sm);
    margin-right: var(--spacing-md);
}

.theme-toggle:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-accent-primary);
    transform: scale(1.05);
    box-shadow: var(--shadow-sm);
}

.theme-toggle:active {
    transform: scale(0.95);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    transition: transform 0.3s ease;
}

.theme-toggle:hover svg {
    transform: rotate(15deg);
}

[data-theme="light"] .theme-toggle {
    background: white;
    box-shadow: var(--shadow-sm);
}

[data-theme="light"] .theme-toggle:hover {
    box-shadow: var(--shadow-md);
}

@media (max-width: 768px) {
    .theme-toggle {
        width: 36px;
        height: 36px;
        margin-right: var(--spacing-sm);
    }
    
    .theme-toggle svg {
        width: 18px;
        height: 18px;
    }
}